[gnome-shell] screenshot: Close screenshot UI if we failed to acquire a grab

[Marge Bot <marge-bot src gnome org>]

commit 3e8164cc36e938fcc65a3fe84ebfc8579387c66a
Author: Sebastian Keller <skeller gnome org>
Date:   Sat Apr 30 08:24:14 2022 +0200

    screenshot: Close screenshot UI if we failed to acquire a grab
    
    Otherwise the actors will remain invisible yet reactive covering up the
    screen.
    
    Related: https://gitlab.gnome.org/GNOME/gnome-shell/-/issues/5414
    Part-of: <https://gitlab.gnome.org/GNOME/gnome-shell/-/merge_requests/2287>

 js/ui/screenshot.js | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)
---
diff --git a/js/ui/screenshot.js b/js/ui/screenshot.js
index 98cfec4685..33ea6e85b8 100644
--- a/js/ui/screenshot.js
+++ b/js/ui/screenshot.js
@@ -1510,8 +1510,10 @@ var ScreenshotUI = GObject.registerClass({
             actor: this,
             onUngrab: () => this.close(),
         });
-        if (!grabResult)
+        if (!grabResult) {
+            this.close(true);
             return;
+        }
 
         this._refreshButtonLayout();