[gnome-games/wip/exalm/unified-window] collection-view: Allow back swipe in titlebar

[Alexander Mikhaylenko <alexm src gnome org>]

commit b2bd804285927fd2d1df8a96265ae4c56db469af
Author: Alexander Mikhaylenko <alexm gnome org>
Date:   Fri Apr 10 20:17:47 2020 +0500

    collection-view: Allow back swipe in titlebar
    
    Since it's now handled automatically for drags, there's no point in
    disabling it for scrolling anymore.

 data/ui/collection-view.ui | 1 +
 1 file changed, 1 insertion(+)
---
diff --git a/data/ui/collection-view.ui b/data/ui/collection-view.ui
index 439f620a..984c0488 100644
--- a/data/ui/collection-view.ui
+++ b/data/ui/collection-view.ui
@@ -13,6 +13,7 @@
     <child>
       <object class="HdyDeck" id="deck">
         <property name="visible">True</property>
+        <property name="can-swipe-back">True</property>
         <child>
           <object class="HdyHeaderBar" id="header_bar">
             <property name="visible">True</property>