[gnome-shell/gnome-3-36] panelMenu: Destroy menu before chaining up

[Florian Müllner <fmuellner src gnome org>]

commit 51537cf31c7f6589635852629bd7f0549175515e
Author: Florian Müllner <fmuellner gnome org>
Date:   Tue Jul 28 18:52:53 2020 +0200

    panelMenu: Destroy menu before chaining up
    
    This avoid some (harmless but annoying) warnings, and is closer to
    the original code prior to commit fc342fe8c5 and 557b232c896.
    
    https://gitlab.gnome.org/GNOME/gnome-shell/-/issues/3022

 js/ui/panelMenu.js | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)
---
diff --git a/js/ui/panelMenu.js b/js/ui/panelMenu.js
index a5b0896c4f..274daa7eaa 100644
--- a/js/ui/panelMenu.js
+++ b/js/ui/panelMenu.js
@@ -183,10 +183,9 @@ var Button = GObject.registerClass({
     }
 
     _onDestroy() {
-        super._onDestroy();
-
         if (this.menu)
             this.menu.destroy();
+        super._onDestroy();
     }
 });