Fix issue sidebar menus having an infinite height (#10239)

* Revert "Limit label list height on edit issue page"

* Fix issue sidebar menus having an infinite height

web_src/less/_repository.less

@@ -83,6 +83,7 @@
     .metas {
         .menu {
             overflow-x: auto;
+            max-height: 300px;
         }
 
         .ui.list {
@@ -152,8 +153,6 @@
         }
 
         &.labels {
-            max-height: 300px;
-
             .label-filter .menu .info {
                 display: inline-block;
                 padding: 9px 7px 7px 7px;