[gnome-control-center] Add a label to the close notification button in online account settings

[Robert Ancell <rancell src gnome org>]

commit e26f28d1fd40d4b343fe9ac0bf15f66939925432
Author: Lukáš Tyrychtr <lukastyrychtr gmail com>
Date:   Tue May 10 11:58:37 2022 +0200

    Add a label to the close notification button in online account settings

 panels/online-accounts/cc-online-accounts-panel.ui | 3 +++
 1 file changed, 3 insertions(+)
---
diff --git a/panels/online-accounts/cc-online-accounts-panel.ui 
b/panels/online-accounts/cc-online-accounts-panel.ui
index 1a186202a..3d625f06f 100644
--- a/panels/online-accounts/cc-online-accounts-panel.ui
+++ b/panels/online-accounts/cc-online-accounts-panel.ui
@@ -27,6 +27,9 @@
                     <child>
                       <object class="GtkButton" id="close_notification_button">
                         <property name="icon-name">window-close-symbolic</property>
+                        <accessibility>
+                          <property name="label" translatable="yes">Close the notification</property>
+                        </accessibility>
                         <signal name="clicked" handler="on_notification_closed_cb" object="CcGoaPanel" 
swapped="no" />
                         <style>
                           <class name="flat" />