Move changelot item "Add sub nav to file page view" to 8.9.4

Signed-off-by: Dmitriy Zaporozhets <dmitriy.zaporozhets@gmail.com>

CHANGELOG

@@ -26,6 +26,7 @@ v 8.10.0 (unreleased)
 v 8.9.4 (unreleased)
   - Fixes middle click and double request when navigating through the file browser  !4891
+  - Add sub nav to file page view
 v 8.9.3
   - Fix encrypted data backwards compatibility after upgrading attr_encrypted gem. !4963
@@ -42,11 +43,9 @@ v 8.9.3
   - Fix missing avatar on system notes. !4954
   - Reduce overhead and optimize ProjectTeam#max_member_access performance. !4973
   - Use update_columns to by_pass all the dirty code on active_record. !4985
-v 8.9.3 (unreleased)
   - Decreased min width of screen to 1280px for pinned sidebar
   - Fix encrypted data backwards compatibility after upgrading attr_encrypted gem
   - Update mobile button icons to be more inline with typical UI paradigms
-  - Add sub nav to file page view
 v 8.9.2
   - Fix visibility of snippets when searching.