fix: verify Gitea 1.27.3 and repair push mail templates

themes/heritage/mail/repo/issue/default.tmpl

@@ -122,8 +122,8 @@
           <ul class="commit-list">
           {{range .Comment.Commits}}
             <li class="commit-item">
-              <a href="{{$.Comment.Issue.PullRequest.BaseRepo.HTMLURL}}/commit/{{.ID}}" class="commit-link">
-                {{ShortSha .ID.String}}
+              <a href="{{$.Comment.Issue.PullRequest.BaseRepo.HTMLURL}}/commit/{{.UserCommit.GitCommit.ID}}" class="commit-link">
+                {{ShortSha .UserCommit.GitCommit.ID.String}}
               </a>  &mdash;  {{.UserCommit.GitCommit.MessageTitle}}
             </li>
           {{end}}
@@ -158,4 +158,4 @@
     </div>
   </center>
 </body>
-</html>
+</html>