Merge branch 'winh-dropdown-toggle-width' into 'master'

Change width of .dropdown-menu-toggle to 160px

See merge request gitlab-org/gitlab-ce!24391

app/assets/stylesheets/framework/dropdowns.scss

@@ -129,7 +129,7 @@
   @extend .dropdown-toggle;
   padding-right: 25px;
   position: relative;
-  width: 163px;
+  width: 160px;
   text-overflow: ellipsis;
   overflow: hidden;