prevent dom-flickering

AppKit/CPTextView/CPTextView.j

@@ -2254,7 +2254,10 @@ var _CPCopyPlaceholder = '-';
         }
 
         var currentFirstResponder = [[CPApp mainWindow] firstResponder];
-        [currentFirstResponder paste:self];
+
+        setTimeout(function(){   // prevent dom-flickering
+            [currentFirstResponder paste:self];
+        }, 20);
 
         e.preventDefault();
         e.stopPropagation();