Fix missing buttons (#28179) (#28181)

Backport #28179 by @lng2020

fix #28173 
regression #25948 
That PR is supposed to only change the style but somehow delete a code
snippet. See the
diff(https://github.com/go-gitea/gitea/pull/25948/files#diff-7c36d66fe058f4ff9f2beaac73cf710dca45b350d0dd98daf806828a4745fe62L125-L129)
for details.

Co-authored-by: Nanguan Lin <70063547+lng2020@users.noreply.github.com>
Co-authored-by: wxiaoguang <wxiaoguang@gmail.com>

templates/repo/release/new.tmpl

@@ -120,6 +120,10 @@
 								</button>
 							{{end}}
 						{{else}}
+							{{if not .tag_name}}
+								<button class="ui small button" name="tag_only" value="1">{{ctx.Locale.Tr "repo.release.add_tag"}}</button>
+							{{end}}
+							<button class="ui small button" name="draft" value="1">{{ctx.Locale.Tr "repo.release.save_draft"}}</button>
 							<button class="ui small primary button">
 								{{ctx.Locale.Tr "repo.release.publish"}}
 							</button>