Changed the event listener target from window to document in droplab

app/assets/javascripts/droplab/droplab.js

@@ -278,7 +278,7 @@ require('./window')(function(w){
             self.hooks[i].list.hide();
           }
         }.bind(this);
-        w.addEventListener('click', this.windowClickedWrapper);
+        document.addEventListener('click', this.windowClickedWrapper);
       },
 
       removeEvents: function(){