layout: Catch async errors

It is good practice to avoid "unhandled promise rejection" errors,
even when a function is not expected to reject.

Part-of: <https://gitlab.gnome.org/GNOME/gnome-shell/-/merge_requests/4070>
(cherry picked from commit c89d2061b38aa69f3aaafeb594d598c07b14721b)

diff --git a/js/ui/layout.js b/js/ui/layout.js
index e47c82f936f78b56812f2313faf776935b919916..820f49fc8411ad9c36e9946c26347e37786fa4f0 100644 (file)
--- a/js/ui/layout.js
+++ b/js/ui/layout.js
@@ -603,7 +603,7 @@ export const LayoutManager = GObject.registerClass({
         this._updateMonitors();
         this._updateBoxes();
         this._updateHotCorners();
-        this._updateBackgrounds();
+        this._updateBackgrounds().catch(logError);
         this._updateFullscreen();
         this._updateVisibility();
         this._queueUpdateRegions();