shellDBus: Actually make ScreenTransitionAsync async

We called such function async but we didn't awaited for the
checkInvocation result in the proper way.

So on failure the shell would report an unhandled promise rejection.

Part-of: <https://gitlab.gnome.org/GNOME/gnome-shell/-/merge_requests/2258>

diff --git a/js/ui/shellDBus.js b/js/ui/shellDBus.js
index 8faa112eaf6ccbf31f400a20aaffa0ad8d6dc016..edc16eb872b6cf2c16fae52a0596236c063f0d4c 100644 (file)
--- a/js/ui/shellDBus.js
+++ b/js/ui/shellDBus.js
@@ -253,9 +253,9 @@ var GnomeShell = class {
         invocation.return_value(GLib.Variant.new('(b)', [ungrabSucceeded]));
     }
 
-    ScreenTransitionAsync(params, invocation) {
+    async ScreenTransitionAsync(params, invocation) {
         try {
-            this._senderChecker.checkInvocation(invocation);
+            await this._senderChecker.checkInvocation(invocation);
         } catch (e) {
             invocation.return_gerror(e);
             return;