hide delete/restor button on archived repos (#7658)

close issue #7653

templates/repo/branch/list.tmpl

@@ -101,7 +101,7 @@
 												</div>
 											</div>
 										{{end}}
-										{{if and $.IsWriter (not $.IsMirror) (not .IsProtected)}}
+										{{if and $.IsWriter (not $.IsMirror) (not $.Repository.IsArchived) (not .IsProtected)}}
 											{{if .IsDeleted}}
 												<a class="ui basic jump button icon poping up undo-button" href data-url="{{$.Link}}/restore?branch_id={{.DeletedBranch.ID | urlquery}}&name={{.DeletedBranch.Name | urlquery}}" data-content="{{$.i18n.Tr "repo.branch.restore" (.Name | EscapePound)}}" data-variation="tiny inverted" data-position="top right"><i class="octicon octicon-reply text blue"></i></a>
 											{{else}}