Improve alignment of icons on admin roles list (#32153)

app/javascript/styles/mastodon/admin.scss

@@ -1054,6 +1054,10 @@ a.name-tag,
       }
     }
 
+    .icon {
+      vertical-align: middle;
+    }
+
     a.announcements-list__item__title {
       &:hover,
       &:focus,

app/javascript/styles/mastodon/tables.scss

@@ -137,6 +137,7 @@ a.table-action-link {
   padding: 0 10px;
   color: $darker-text-color;
   font-weight: 500;
+  white-space: nowrap;
 
   &:hover {
     color: $highlight-text-color;