Follow up - f54df501 - Fixes #3040: Make event handling more stable to stabilize browser tests.

app/assets/javascripts/app/controllers/ticket_zoom/article_new.coffee

@@ -515,7 +515,7 @@ class App.TicketZoomArticleNew extends App.Controller
       options:
         duration: duration
         easing: 'easeOutQuad'
-        complete: => $(window).on 'click.ticket-zoom-textarea', @closeTextarea
+        complete: => $(window).off 'click.ticket-zoom-textarea'.on 'click.ticket-zoom-textarea', @closeTextarea
 
     @textBubble.velocity
       properties: