[gnome-shell] screenshot: Close on lock

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

commit 3cc045b6b89d5e6db1c12cff219d504b929e2ccb
Author: Ivan Molodetskikh <yalterz gmail com>
Date:   Wed Feb 2 21:11:03 2022 +0300

    screenshot: Close on lock
    
    Since the screenshot UI cannot open in GDM or on the lock screen, it
    seems that simply closing it on any session mode update is sufficient,
    without adding extra variables.
    
    Closes https://gitlab.gnome.org/GNOME/gnome-shell/-/issues/4996
    
    Part-of: <https://gitlab.gnome.org/GNOME/gnome-shell/-/merge_requests/2149>

 js/ui/screenshot.js | 2 ++
 1 file changed, 2 insertions(+)
---
diff --git a/js/ui/screenshot.js b/js/ui/screenshot.js
index 56f3cab7f1..fc3334fb73 100644
--- a/js/ui/screenshot.js
+++ b/js/ui/screenshot.js
@@ -1020,6 +1020,8 @@ var ScreenshotUI = GObject.registerClass({
 
         this._lockdownSettings = new Gio.Settings({ schema_id: 'org.gnome.desktop.lockdown' });
 
+        Main.sessionMode.connect('updated', () => this.close(true));
+
         // The full-screen screenshot has a separate container so that we can
         // show it without the screenshot UI fade-in for a nicer animation.
         this._stageScreenshotContainer = new St.Widget({ visible: false });