[gnome-shell/gnome-41] systemActions: Disable power-off if querying support fails

[Florian Müllner <fmuellner src gnome org>]

commit 9c8194bee59b2ab542157b026805b3b61452d090
Author: Florian Müllner <fmuellner gnome org>
Date:   Sat Jul 9 14:01:17 2022 +0200

    systemActions: Disable power-off if querying support fails
    
    Treating failure as success is weird. It's also most likely wrong,
    as the most likely reason is that gnome-session isn't running.
    
    Part-of: <https://gitlab.gnome.org/GNOME/gnome-shell/-/merge_requests/2372>
    (cherry picked from commit 415349c8526ca4485f6bd37be7c19579acb4c8d8)

 js/misc/systemActions.js | 5 +----
 1 file changed, 1 insertion(+), 4 deletions(-)
---
diff --git a/js/misc/systemActions.js b/js/misc/systemActions.js
index 10cab9a9e2..419e642bee 100644
--- a/js/misc/systemActions.js
+++ b/js/misc/systemActions.js
@@ -318,10 +318,7 @@ const SystemActions = GObject.registerClass({
 
     _updateHaveShutdown() {
         this._session.CanShutdownRemote((result, error) => {
-            if (error)
-                return;
-
-            this._canHavePowerOff = result[0];
+            this._canHavePowerOff = error ? false : result[0];
             this._updatePowerOff();
         });
     }