[gnome-games] media-menu-button: Make it unfocusable

[Alexander Mikhaylenko <alexm src gnome org>]

commit 10fab1c0520194b5a3175e91fd7f9af5a227bb60
Author: Alexander Mikhaylenko <exalm7659 gmail com>
Date:   Sun Aug 18 02:13:14 2019 +0500

    media-menu-button: Make it unfocusable
    
    This was another button in headerbar stealing focus from the game.
    Hopefully, the last one.

 data/ui/media-menu-button.ui | 1 +
 1 file changed, 1 insertion(+)
---
diff --git a/data/ui/media-menu-button.ui b/data/ui/media-menu-button.ui
index c0b07850..93c21f2c 100644
--- a/data/ui/media-menu-button.ui
+++ b/data/ui/media-menu-button.ui
@@ -5,6 +5,7 @@
     <child>
       <object class="GtkMenuButton" id="menu_button">
         <property name="visible">True</property>
+        <property name="can-focus">False</property>
         <property name="valign">center</property>
         <property name="use-underline">True</property>
         <property name="popover">popover</property>