[gnome-shell] grabHelper: Treat the current grabbed actor as a grabbed actor

[Jasper St. Pierre <jstpierre src gnome org>]

commit 27ffad21480d49682d6278d11bda67a1fd296d14
Author: Jasper St. Pierre <jstpierre mecheye net>
Date:   Mon Nov 26 14:47:59 2012 -0500

    grabHelper: Treat the current grabbed actor as a grabbed actor
    
    This should be obvious, but I guess it wasn't necessary for the
    message tray case.
    
    https://bugzilla.gnome.org/show_bug.cgi?id=689109

 js/ui/grabHelper.js |    3 +++
 1 files changed, 3 insertions(+), 0 deletions(-)
---
diff --git a/js/ui/grabHelper.js b/js/ui/grabHelper.js
index 4104c8d..aacce43 100644
--- a/js/ui/grabHelper.js
+++ b/js/ui/grabHelper.js
@@ -77,9 +77,12 @@ const GrabHelper = new Lang.Class({
     },
 
     _isWithinGrabbedActor: function(actor) {
+       let currentActor = this.currentGrab.actor;
         while (actor) {
             if (this._actors.indexOf(actor) != -1)
                 return true;
+            if (actor == currentActor)
+                return true;
             actor = actor.get_parent();
         }
         return false;