Fix UI for release tag page / wiki page / subscription page (#25948)

Agenda:
This PR contains UI fixes for release tag page / wiki page /
subscription page.
Here is the list of changes made in this PR.
1. Release tag page
a. In the New Release page the whole ui got change. Now it is covering
in full page page with mobile view port. Description about the release
the editor preview now has a min-height. and the check boxes for
`Prerelease` and option are left aligned. Couple of divider are added.

2. Subscription page: 
a. In the subscription page the ui was distorted in mobile view. Now its
fix. Couple of unused styles were removed.

3. Create Wiki page:- 
a. In the page the preview of markdown is now contains a fix min-height
so this it will not distorted in desktop view and a divider is added
before action buttons. Couple of unused styles were removed.

# Before

## Release page

<img width="1391" alt="image"
src="https://github.com/go-gitea/gitea/assets/80308335/319dec2e-08cf-40c5-920a-d651930ee28e">

<img width="494" alt="image"
src="https://github.com/go-gitea/gitea/assets/80308335/03249f40-2d36-4552-bb93-43832aac2f8b">

<img width="1390" alt="image"
src="https://github.com/go-gitea/gitea/assets/80308335/bf8b2d31-4857-480b-abd9-66a3ae6e24d8">

<img width="484" alt="image"
src="https://github.com/go-gitea/gitea/assets/80308335/c3a58210-a337-4c8e-89a6-edb3975986bb">

Editor 
<img width="958" alt="image"
src="https://github.com/go-gitea/gitea/assets/80308335/3bdd299d-d12b-4774-ace9-7184b1a57b18">

Editor preview
<img width="1293" alt="image"
src="https://github.com/go-gitea/gitea/assets/80308335/2b61c528-c018-4800-ab86-07aae56adecd">

<img width="484" alt="image"
src="https://github.com/go-gitea/gitea/assets/80308335/ff7bc5ee-9dc0-4f78-a0b1-94277ab27700">

#### After
<img width="1439" alt="image"
src="https://github.com/go-gitea/gitea/assets/80308335/94f7e073-5977-40bd-98ef-0711ed0815cc">

<img width="1384" alt="image"
src="https://github.com/go-gitea/gitea/assets/80308335/83e3105f-c1ee-4329-b90f-8bb724dac50f">
<img width="1440" alt="image"
src="https://github.com/go-gitea/gitea/assets/80308335/05f024a5-52eb-4072-8599-d6ca12f6fad1">
<img width="1387" alt="image"
src="https://github.com/go-gitea/gitea/assets/80308335/c73f069b-572a-4a13-aaa9-fc5b4dd3420d">

<img width="1440" alt="image"
src="https://github.com/go-gitea/gitea/assets/80308335/2f98f012-8e64-4a12-9595-5acdef18f85c">

Markdown preview change
<img width="1368" alt="image"
src="https://github.com/go-gitea/gitea/assets/80308335/31e583ec-48f6-4f1a-8b56-0164fcb127a5">


Wiki page

Before
<img width="1393" alt="image"
src="https://github.com/go-gitea/gitea/assets/80308335/9c9cfdf6-3c2a-4f47-883b-76624d96f9a0">
<img width="499" alt="image"
src="https://github.com/go-gitea/gitea/assets/80308335/522ad573-1ad2-4fa2-8bf7-48a3dded14e7">


Preview of mark down. 
<img width="488" alt="image"
src="https://github.com/go-gitea/gitea/assets/80308335/998f3c25-9fca-43c8-b1ff-648aab291727">

Footer 
<img width="490" alt="image"
src="https://github.com/go-gitea/gitea/assets/80308335/89c6cf4e-4599-4403-bac8-285efdd9361a">

After

<img width="1389" alt="image"
src="https://github.com/go-gitea/gitea/assets/80308335/1ee0fc72-f864-44c0-b2e4-e0e8a8470204">
<img width="498" alt="image"
src="https://github.com/go-gitea/gitea/assets/80308335/b35b9a5d-8e26-4869-a6ed-6cef1f4a87a6">
<img width="499" alt="image"
src="https://github.com/go-gitea/gitea/assets/80308335/b40bcbaa-fca6-42ab-9556-f950811b565d">

Preview tab block has min-height 
<img width="1392" alt="image"
src="https://github.com/go-gitea/gitea/assets/80308335/4a53d6c2-596c-423a-91b1-533cef734f93">


Mobile view
<img width="496" alt="image"
src="https://github.com/go-gitea/gitea/assets/80308335/c5ffc4c9-3c21-4cad-bc32-2ea3f0644a08">

<img width="497" alt="image"
src="https://github.com/go-gitea/gitea/assets/80308335/08dd560f-4333-41ec-95b9-8154910d2254">
<img width="496" alt="image"
src="https://github.com/go-gitea/gitea/assets/80308335/9fba8f55-727b-4756-a4a6-2070c719b15b">



## Subscription page

### Before

<img width="1393" alt="image"
src="https://github.com/go-gitea/gitea/assets/80308335/0a7d561b-f56c-4ebe-93bd-952abecd437f">

<img width="492" alt="image"
src="https://github.com/go-gitea/gitea/assets/80308335/4dc44d0c-ea81-4130-8afb-8f271c029e8a">

After
<img width="1394" alt="image"
src="https://github.com/go-gitea/gitea/assets/80308335/a3567e30-2b5b-49d6-9ecb-2ab481ea4d36">


<img width="494" alt="image"
src="https://github.com/go-gitea/gitea/assets/80308335/024da9e2-dfc4-4672-95cc-a6ac034d9712">

<img width="508" alt="image"
src="https://github.com/go-gitea/gitea/assets/80308335/b748ecea-427c-4f8b-a1bf-08f82f9a42e6">

1 files changed, 14 insertions, 17 deletions

diff --git a/templates/repo/release/new.tmpl b/templates/repo/release/new.tmpl
index 6f7dc09a66..1b32aa675d 100644
--- a/templates/repo/release/new.tmpl
+++ b/templates/repo/release/new.tmpl
@@ -12,9 +12,9 @@
 			{{end}}
 		</h2>
 		{{template "base/alert" .}}
-		<form class="ui form stackable grid" action="{{.Link}}" method="post">
+		<form class="ui form" action="{{.Link}}" method="post">
 			{{.CsrfTokenHtml}}
-			<div class="ui seven wide column target">
+			<div class="ui seven wide target">
 				<div class="inline field {{if .Err_TagName}}error{{end}}">
 					{{if .PageIsEditRelease}}
 						<b>{{.tag_name}}</b><span class="at">@</span><strong>{{.tag_target}}</strong>
@@ -44,7 +44,7 @@
 					{{end}}
 				</div>
 			</div>
-			<div class="eleven wide column gt-pt-0">
+			<div class="eleven wide gt-pt-0">
 				<div class="field {{if .Err_Title}}error{{end}}">
 					<input name="title" aria-label="{{.locale.Tr "repo.release.title"}}" placeholder="{{.locale.Tr "repo.release.title"}}" value="{{.title}}" autofocus maxlength="255">
 				</div>
@@ -83,9 +83,9 @@
 					</div>
 				{{end}}
 			</div>
-			<div class="ui container">
-				<div class="divider"></div>
-				<div class="ui text right">
+			<div class="divider"></div>
+			<div class="ui">
+				<div>
 					{{if not .PageIsEditRelease}}
 						<div class="tag-message field">
 							<div class="ui checkbox">
@@ -103,30 +103,27 @@
 						</div>
 					</div>
 					<span class="help">{{.locale.Tr "repo.release.prerelease_helper"}}</span>
-					<div class="field">
+					<div class="divider gt-mt-0"></div>
+					<div class="gt-df gt-je">
 						{{if .PageIsEditRelease}}
-							<a class="ui button" href="{{.RepoLink}}/releases">
+							<a class="ui small button" href="{{.RepoLink}}/releases">
 								{{.locale.Tr "repo.release.cancel"}}
 							</a>
-							<a class="ui red button delete-button" data-url="{{$.RepoLink}}/releases/delete" data-id="{{.ID}}">
+							<a class="ui small red button delete-button" data-url="{{$.RepoLink}}/releases/delete" data-id="{{.ID}}">
 								{{$.locale.Tr "repo.release.delete_release"}}
 							</a>
 							{{if .IsDraft}}
-								<button class="ui button" type="submit" name="draft" value="{{.locale.Tr "repo.release.save_draft"}}">{{.locale.Tr "repo.release.save_draft"}}</button>
-								<button class="ui primary button">
+								<button class="ui small button" type="submit" name="draft" value="{{.locale.Tr "repo.release.save_draft"}}">{{.locale.Tr "repo.release.save_draft"}}</button>
+								<button class="ui small primary button">
 									{{.locale.Tr "repo.release.publish"}}
 								</button>
 							{{else}}
-								<button class="ui primary button">
+								<button class="ui small primary button">
 									{{.locale.Tr "repo.release.edit_release"}}
 								</button>
 							{{end}}
 						{{else}}
-							{{if not .tag_name}}
-								<button class="ui button" type="submit" name="tag_only" value="{{.locale.Tr "repo.release.add_tag"}}">{{.locale.Tr "repo.release.add_tag"}}</button>
-							{{end}}
-							<button class="ui button" type="submit" name="draft" value="{{.locale.Tr "repo.release.save_draft"}}">{{.locale.Tr "repo.release.save_draft"}}</button>
-							<button class="ui primary button">
+							<button class="ui small primary button">
 								{{.locale.Tr "repo.release.publish"}}
 							</button>
 						{{end}}