Fix branches page dropdown sort alignment

CHANGELOG

@@ -7,6 +7,7 @@ v 8.12.0 (unreleased)
   - Add `web_url` field to issue, merge request, and snippet API objects (Ben Boeckel)
   - Set path for all JavaScript cookies to honor GitLab's subdirectory setting !5627 (Mike Greiling)
   - Add hover color to emoji icon (ClemMakesApps)
+  - Fix branches page dropdown sort alignment (ClemMakesApps)
   - Optimistic locking for Issues and Merge Requests (title and description overriding prevention)
   - Add `wiki_page_events` to project hook APIs (Ben Boeckel)
   - Remove Gitorious import

app/assets/stylesheets/framework/nav.scss

@@ -161,6 +161,7 @@
     > .dropdown {
       margin-right: $gl-padding-top;
       display: inline-block;
+      vertical-align: top;
 
       &:last-child {
         margin-right: 0;