Show outdated comments in files changed tab (#24936) (#25428)
Backport #24936
If enabled show a clickable label in the comment. A click on the label
opens the Conversation tab with the comment focussed - there you're able
to view the old diff (or original diff the comment was created on).
**Screenshots**
![image](https://github.com/go-gitea/gitea/assets/
1135157/
63ab9571-a9ee-4900-9f02-
94ab0095f9e7)
![image](https://github.com/go-gitea/gitea/assets/
1135157/
78f7c225-8d76-46f5-acfd-
9b8aab988a6c)
When resolved and outdated:
![image](https://github.com/go-gitea/gitea/assets/
1135157/
6ece9ebd-c792-4aa5-9c35-
628694e9d093)
Option to enable/disable this (stored in user settings - default is
disabled):
![image](https://github.com/go-gitea/gitea/assets/
1135157/
ed99dfe4-76dc-4c12-bd96-
e7e62da50ab5)
![image](https://github.com/go-gitea/gitea/assets/
1135157/
e837a052-e92e-4a28-906d-
9db5bacf93a6)
fixes #24913
Co-authored-by: silverwind <me@silverwind.io>