Wait until listeners are set before triggering a 'click' event

app/assets/javascripts/merge_request_tabs.js.coffee

@@ -190,6 +190,10 @@ class @MergeRequestTabs
   shrinkView: ->
     $gutterIcon = $('.gutter-toggle i')
 
+    # Wait until listeners are set
+    setTimeout( ->
       # Only when sidebar is collapsed
       if $gutterIcon.is('.fa-angle-double-right')
         $gutterIcon.closest('a').trigger('click')
+    , 0)
+