[libadwaita/wip/exalm/demo] demo: Expand the leaflet subpage contents

[Alexander Mikhaylenko <alexm src gnome org>]

commit 98a3dd3378f578ed6a7111ef38d53f55918efe13
Author: Alexander Mikhaylenko <alexm gnome org>
Date:   Wed Oct 13 16:34:16 2021 +0500

    demo: Expand the leaflet subpage contents

 demo/adw-demo-window.ui | 1 +
 1 file changed, 1 insertion(+)
---
diff --git a/demo/adw-demo-window.ui b/demo/adw-demo-window.ui
index ec721b8e..04db9c4c 100644
--- a/demo/adw-demo-window.ui
+++ b/demo/adw-demo-window.ui
@@ -926,6 +926,7 @@
             </child>
             <child>
               <object class="AdwStatusPage">
+                <property name="vexpand">True</property>
                 <property name="title" translatable="yes">Go back</property>
                 <property name="child">
                   <object class="GtkBox">