[gnome-shell] messageTray: Reset clickedSummaryItem on ungrab

[Florian Müllner <fmuellner src gnome org>]

commit aa6471b3cc9b81b2d0b0b817a466d03bf82c5bfe
Author: Florian Müllner <fmuellner gnome org>
Date:   Fri Sep 6 01:55:22 2013 +0200

    messageTray: Reset clickedSummaryItem on ungrab
    
    If we don't, we will pop up the summary again the next time
    _updateState() is called.
    
    https://bugzilla.gnome.org/show_bug.cgi?id=707600

 js/ui/messageTray.js |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)
---
diff --git a/js/ui/messageTray.js b/js/ui/messageTray.js
index c87a298..69a822d 100644
--- a/js/ui/messageTray.js
+++ b/js/ui/messageTray.js
@@ -2732,6 +2732,7 @@ const MessageTray = new Lang.Class({
 
     _onSummaryBoxPointerUngrabbed: function() {
         this._summaryBoxPointerState = State.HIDING;
+        this._setClickedSummaryItem(null);
 
         if (this._summaryBoxPointerContentUpdatedId) {
             this._summaryBoxPointerItem.disconnect(this._summaryBoxPointerContentUpdatedId);