[gnome-shell] status/system: Set accessible name for screenshot item

[Florian Müllner <fmuellner src gnome org>]

commit 2ed0a61b6d291748ba20b4d24bed343db22da197
Author: Florian Müllner <fmuellner gnome org>
Date:   Tue Aug 30 18:10:46 2022 +0200

    status/system: Set accessible name for screenshot item
    
    Otherwise it shows up as plain "push button".
    
    Part-of: <https://gitlab.gnome.org/GNOME/gnome-shell/-/merge_requests/2455>

 js/ui/status/system.js | 1 +
 1 file changed, 1 insertion(+)
---
diff --git a/js/ui/status/system.js b/js/ui/status/system.js
index 4577307225..ab96230b9d 100644
--- a/js/ui/status/system.js
+++ b/js/ui/status/system.js
@@ -102,6 +102,7 @@ class ScreenshotItem extends QuickSettingsItem {
             can_focus: true,
             icon_name: 'camera-photo-symbolic',
             visible: !Main.sessionMode.isGreeter,
+            accessible_name: _('Take Screenshot'),
         });
 
         this.connect('clicked', () => {