Fix assignee list overlapping in Issue sidebar (go-gitea#33176) (go-gitea#33181)

Backport go-gitea#33176 by wxiaoguang Fix go-gitea#33170 Co-authored-by: wxiaoguang <wxiaoguang@gmail.com>

Author: GiteaBot

templates/repo/issue/sidebar/assignee_list.tmpl

@@ -16,20 +16,20 @@
 <input type="text" placeholder="{{ctx.Locale.Tr "repo.issues.filter_assignees"}}">
 </div>
 <div class="item clear-selection">{{ctx.Locale.Tr "repo.issues.new.clear_assignees"}}</div>
-<div class="scrolling menu">
+<div class="scrolling menu flex-items-block">
 {{range $data.CandidateAssignees}}
-<a class="item muted" href="#" data-value="{{.ID}}">
+<a class="item" href="#" data-value="{{.ID}}">
 <span class="item-check-mark">{{svg "octicon-check"}}</span>
 {{ctx.AvatarUtils.Avatar . 20}} {{template "repo/search_name" .}}
 </a>
 {{end}}
 </div>
 </div>
 </div>
-<div class="ui list tw-flex tw-flex-row tw-gap-2">
+<div class="ui list muted-links flex-items-block tw-flex tw-flex-col tw-gap-2">
 <span class="item empty-list {{if $issueAssignees}}tw-hidden{{end}}">{{ctx.Locale.Tr "repo.issues.new.no_assignees"}}</span>
 {{range $issueAssignees}}
-<a class="item muted" href="{{$pageMeta.RepoLink}}/{{if $pageMeta.IsPullRequest}}pulls{{else}}issues{{end}}?assignee={{.ID}}">
+<a class="item" href="{{$pageMeta.RepoLink}}/{{if $pageMeta.IsPullRequest}}pulls{{else}}issues{{end}}?assignee={{.ID}}">
 {{ctx.AvatarUtils.Avatar . 20}} {{.GetDisplayName}}
 </a>
 {{end}}