[gnome-control-center] Add a missing a11y label to the search box in the country selection dialog

[Robert Ancell <rancell src gnome org>]

commit eece14f1cdcc02bdf8c59953a815609df42340a2
Author: Lukáš Tyrychtr <lukastyrychtr gmail com>
Date:   Wed May 18 17:00:24 2022 +0200

    Add a missing a11y label to the search box in the country selection dialog

 panels/region/cc-format-chooser.ui | 3 +++
 1 file changed, 3 insertions(+)
---
diff --git a/panels/region/cc-format-chooser.ui b/panels/region/cc-format-chooser.ui
index 022af60e1..a8faa70b1 100644
--- a/panels/region/cc-format-chooser.ui
+++ b/panels/region/cc-format-chooser.ui
@@ -78,6 +78,9 @@
                     <property name="margin-bottom">18</property>
                     <property name="margin-start">18</property>
                     <property name="margin-end">18</property>
+                    <accessibility>
+                      <property name="label" translatable="yes">Search</property>
+                    </accessibility>
                     <signal name="search-changed" handler="filter_changed" object="CcFormatChooser" 
swapped="yes" />
                   </object>
                 </child>