Merge branch 'blur-award-btn' into 'master'

Triggers blur after clicking award button

![blur](/uploads/6cd53a5ac314e8048c656685935747e2/blur.gif)

Fixes #15511

See merge request !3881

app/assets/javascripts/awards_handler.coffee

@@ -31,6 +31,8 @@ class @AwardsHandler
 
     awards_handler.addAward emoji
 
+    $(this).trigger 'blur'
+
   didUserClickEmoji: (that, emoji) ->
     if $(that).siblings("button:has([data-emoji=#{emoji}])").attr("data-original-title")
       $(that).siblings("button:has([data-emoji=#{emoji}])").attr("data-original-title").indexOf('me') > -1