Add Toggle File Browser shortcut to Merge Request keybindings

app/assets/javascripts/behaviors/shortcuts/keybindings.js

@@ -636,6 +636,7 @@ const MR_SHORTCUTS_GROUP = {
     MR_NEXT_UNRESOLVED_DISCUSSION,
     MR_PREVIOUS_UNRESOLVED_DISCUSSION,
     MR_COPY_SOURCE_BRANCH_NAME,
+    MR_TOGGLE_FILE_BROWSER,
   ],
 };