[Minor] forged_recipients: fix for uppercase RFC5321.MailFrom domain

If RFC5321.MailFrom has an address with uppercase domain following error
happens:
/usr/share/rspamd/plugins/forged_recipients.lua:129: attempt to index a nil value; trace: [1]:{/usr/share/rspamd/plugins/forged_recipients.lua:129 - <unknown> [Lua]};

Lowercase a domain.

[Minor] Lua_mime: One more offset fix

[Minor] Lua_mime: Fix several off-by one issues

[Minor] Lua_mime: Quote charser

[Minor] Lua_mime: Several fixes in replacement

[Minor] Add more logging in map reread reason

[Minor] Add matches flag

Merge pull request #3532 from moisseev/webui

[WebUI] Fix config editor read-only mode attribute

[WebUI] Fix config editor read-only mode attribute

[Feature] Lua_mime: Add ability to do multipattern replacement

[Minor] Lua_mime: Refactor slightly

[Minor] Lua_text: Add concat method

[Minor] Lua_text: Allow comparison methods with plain strings

[Fix] Do not load errored hyperscan database

[Feature] Lua_trie: Allow to report start of the match

[Minor] Remove unused var

[Minor] Fix rspamd_has_only_html_part function + refactor macro names

[Minor] Grrr for grrr

[Minor] Grr, one more format string issue

[Minor] Further fixes about maps duplicates

[Rework] Furhter logging improvements

[Rework] Track maps origins

Merge pull request #3524 from fatalbanana/test_stability

[Test] Improve test stability

[Test] Improve test stability

 - Antivirus: better visibility into why test servers mightn't start
 - Antivirus: don't use ephemeral port range
 - Fuzzy skip hash: wait for map reload

Merge pull request #3530 from andryyy/patch-17

[Feature] Include fuzzy hashes in meta data, if any

Include fuzzy hashes in meta data, if any

Tested:

```
[X-Rspamd-From] => unknown"
[X-Rspamd-Ip] => unknown"
[X-Rspamd-Subject] => asdasd"
[X-Rspamd-Qid] => unknown"
[X-Rspamd-Rcpt] => unknown"
[X-Rspamd-Action] => reject"
[X-Rspamd-Score] => 29.15"
[User-Agent] => rspamd-2.6"
[X-Rspamd-Fuzzy] => ["c62020f5ba6f4e3e403b6c67abb860954452fa662bf8c38dae06c17c70cc0b79720cf762e45fbeeea7d2fb17f9cf4b28c851bb70f2526b000dba852899c7ce67"]"
[X-Rspamd-User] => unknown"
[X-Rspamd-Symbols] => [{"score":0,"group":"policies","name":"ARC_NA","groups":["policies","arc"]},{"options":["andre.peters@tinc.gmbh"],"score":0,"group":"headers","name":"HAS_REPLYTO","groups":["headers"]},{"options":["andre@develcow.de"],"score":0,"group":"multimap","name":"RCPT_WANTS_SUBJECT_TAG","groups":["multimap"]},{"score":0,"group":"headers","name":"REPLYTO_EQ_FROM","groups":["headers"]},{"score":0,"group":"headers","name":"FROM_HAS_DN","groups":["headers"]},{"options":["11:c62020f5ba:1.00:bin"],"score":15,"group":"fuzzy","name":"LOCAL_FUZZY_DENIED","groups":["fuzzy"]},{"score":0.500000,"group":"headers","name":"MV_CASE","groups":["headers"]},{"score":1,"group":"composite","name":"POLICY_FAILURE","groups":["composite"]},{"options":["multipart/alternative","text/plain"],"score":-0.100000,"group":"mime_types","name":"MIME_GOOD","groups":["mime_types"]},{"options":["failed to scan and retransmits exceed"],"score":0,"group":"antivirus","name":"CLAM_VIRUS_FAIL","groups":["antivirus"]},{"options":["1"],"score":0,"group":"headers","name":"RCPT_COUNT_ONE","groups":["headers"]},{"options":["100.00%"],"score":2.500000,"group":"statistics","name":"BAYES_SPAM","groups":["statistics"]},{"score":0,"group":"headers","name":"TO_DN_EQ_ADDR_ALL","groups":["headers"]},{"options":["0"],"score":0,"group":"headers","name":"RCVD_COUNT_ZERO","groups":["headers"]},{"options":["develcow.de"],"score":0,"group":"multimap","name":"RCPT_MAILCOW_DOMAIN","groups":["multimap"]},{"score":0,"group":"policies","name":"R_DKIM_NA","groups":["policies","dkim"]},{"options":["0:+","1:+","2:~"],"score":0,"group":"mime_types","name":"MIME_TRACE","groups":["mime_types"]},{"options":["subject"],"score":0.250000,"group":"headers","name":"R_MIXED_CHARSET","groups":["headers"]},{"score":0.500000,"group":"Message ID","name":"MID_RHS_NOT_FQDN","groups":["Message ID"]},{"score":8.500000,"group":"hfilter","name":"HFILTER_HOSTNAME_UNKNOWN","groups":["hfilter"]},{"options":["tinc.gmbh : No valid SPF, No valid DKIM","none"],"score":1,"group":"policies","name":"DMARC_POLICY_SOFTFAIL","groups":["policies","dmarc"]}]"
[Content-Type] => text/plain"
[Content-Length] => 3825"
[Host] => nginx"
[Connection] => close"
```

Will print "unknown" if missing.

[Fix] Allow to use maps for strings that are not zero terminated

[Minor] Use consistent typing

[Minor] Fix force actions limit compare

[Minor] Improve map loading logging

[CritFix] Dkim: Fix simple canonicalisation if multiple signatures are presented

Merge pull request #3529 from moisseev/webui

[WebUI] Update map editor

[WebUI] Update map editor

[Fix] Multimap: Fix flags usage

Issue: #3526

[Fix] Fix html attachments checks

[Minor] Lua_magic: Improve html detection heuristic

[Project] Rbl: Migrate to `checks`

[Minor] Provide some upgrade path

[Project] Rbl: Move config code outside of the plugin

[Rework] Rbl: Rework defaults logic

[Project] Support connection filters registration from Lua

[Project] Ressurect empty prefilters as connection filters

[Minor] Switch to buffered IO

[Minor] Switch to buffered IO + fix memory leak on reload

[Minor] Use buffered output

[Minor] Ignore atime change in ev_stat

Merge pull request #3521 from nh2/patch-1

[Minor] whitelist_group.conf: Fix typo in description

Merge pull request #3523 from moisseev/webui

[WebUI] Escape reserved HTML characters in editor

[WebUI] Escape reserved HTML characters in editor

Issue: #3522

whitelist_group.conf: Fix typo in description

Merge pull request #3520 from fatalbanana/map_reload

[Test] Map reload: improve test output

[Test] Map reload: improve test output

[Minor] Force_actions: Another fix

[Fix] Rely on libev checks for file maps

Merge pull request #3519 from fatalbanana/selectors

[Minor] Selectors: avoid returning empty list from extractors

[Minor] Unbreak force actions

[Minor] Force_actions: Allow to set process_all flag + refactor slightly

[Minor] Spamtrap: Allow bayes learning from spamtrap module

Issue: #3516

[Minor] Add special flag to continue filters processing on passthrough result

[Minor] Selectors: avoid returning empty list from extractors

Merge pull request #3518 from fatalbanana/rbl

[Fix] RBL: allow for multiple matches of the same label if types are …

[Fix] Fix several issues with auth results producing

[Fix] Multimap: Fix scoring for combined maps

[Fix] RBL: allow for multiple matches of the same label if types are different

 - Also log full hostname in case of unknown result

[Rules] Remove broken rule

Pointed by: @citrin

Merge pull request #3515 from fatalbanana/3514

[Fix] Honour `systemd` setting when logging to console (#3514)

[Fix] Honour `systemd` setting when logging to console (#3514)

[Feature] Lua_dns_resolver: Add idna_convert_utf8 method

Merge pull request #3513 from fatalbanana/rbl_selectors

[Feature] RBL: support use of multiple selectors

[Fix] Html: Add entities collisions prevention logic (e.g. for mathml entities)

[Minor] Fix entity

[Fix] Lua_auth_results: Quote potentially bad values in AR header

[Minor] Exclude '@' from quote character

[Minor] Lua_util: Add maybe_smtp_quote_value

[Feature] RBL: support use of multiple selectors

[Fix] Arc: Fix CV check on signing

[Fix] Arc: Fix signing of the broken ARC chains

[Minor] Lua_util: Fix round function

[Minor] Fix quit command processing

[Feature] Support ping in milter mode

Requested by: @andryyy

[Fix] Use dup fd in milter handler to avoid races with the proxy

[Minor] Add case sensivity for file names in case of CT attribute

[Minor] Slightly improve logging

Merge pull request #3509 from lprat/mid.lua

[MID] check TLD hostname

fix util name

Merge pull request #3510 from citrin/date-checks

Date checks

[Feature] Add sanity checks for actions thresholds

Issue: #3506
Closes: #3506

[Minor] Add option for DATE_IN_PAST/DATE_IN_FUTURE symbols

Value for an option is the number of full hours the date of the message
is in the past or future.

[Feature] Add INVALID_DATE rule

The symbol indicates that a date in Date: header has invalid format and
cannot be parsed by Rspamd.

[Minor] Combine Date checks

Combine Date header checks into a single callback. No functional
changes.

fix potential error if fdtld and mdtld == nil

Add MID check TLD domain

[Minor] Add CFWS clause to the BNF

[Minor] Add some more error cases to the smtp date parsing

[Minor] Add erroring to smtp parse date

[Minor] Ratelimit: Add implicit score

[Minor] Smtp_date: Fix 2 digits years between 00 and 49

Suggested by: @citrin

[Fix] Fix smtp date syntax definition

Suggested by: @citrin

[Minor] Lua_util: Add parse_smtp_date utility

[Rework] Neural: Skip composite symbols