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>

diff --git a/js/ui/layout.js b/js/ui/layout.js
index 7b8af4726abda8b732699d5feaf6a34ca878fa67..8f07ac63eb6f927be756925353de28452c509a2f 100644 (file)
--- a/js/ui/layout.js
+++ b/js/ui/layout.js
@@ -610,7 +610,7 @@ export const LayoutManager = GObject.registerClass({
         this._updateMonitors();
         this._updateBoxes();
         this._updateHotCorners();
-        this._updateBackgrounds();
+        this._updateBackgrounds().catch(logError);
         this._updateFullscreen();
         this._updateVisibility();
         this._queueUpdateRegions();