[gnome-games/wip/exalm/rebrand] application-window: Fix the window close confirmation

[Alexander Mikhaylenko <alexm src gnome org>]

commit b074090de5ca85d4b0388e88c3cdb3abf97b0893
Author: Alexander Mikhaylenko <alexm gnome org>
Date:   Mon Jun 21 00:18:57 2021 +0500

    application-window: Fix the window close confirmation

 src/ui/application-window.vala | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)
---
diff --git a/src/ui/application-window.vala b/src/ui/application-window.vala
index 1b28958b..711e2b14 100644
--- a/src/ui/application-window.vala
+++ b/src/ui/application-window.vala
@@ -128,7 +128,7 @@ private class Games.ApplicationWindow : Adw.ApplicationWindow {
 
        protected override bool close_request () {
                if (confirm_exit)
-                       return true;
+                       return Gdk.EVENT_PROPAGATE;
 
                quit_game.begin ((obj, res) => {
                        if (!quit_game.end (res))
@@ -139,7 +139,7 @@ private class Games.ApplicationWindow : Adw.ApplicationWindow {
                        close ();
                });
 
-               return false;
+               return Gdk.EVENT_STOP;
        }
 
        [GtkCallback]