Updated CHANGELOG

CHANGELOG

@@ -26,6 +26,7 @@ v 8.12.0 (unreleased)
   - Update merge_requests.md with a simpler way to check out a merge request. !5944
   - Fix button missing type (ClemMakesApps)
   - Move to project dropdown with infinite scroll for better performance
+  - Fix leaking of submit buttons outside the width of a main container !18731 (originally by @pavelloz)
   - Load branches asynchronously in Cherry Pick and Revert dialogs.
   - Add merge request versions !5467
   - Change using size to use count and caching it for number of group members. !5935
@@ -333,7 +334,6 @@ v 8.10.0
   - Redirects back to issue after clicking login link
   - Eager load award emoji on notes
   - Allow to define manual actions/builds on Pipelines and Environments
-  - Fix leaking of submit buttons outside the width of a main container !18731
   - Fix pagination when sorting by columns with lots of ties (like priority)
   - The Markdown reference parsers now re-use query results to prevent running the same queries multiple times. !5020
   - Updated project header design