default pathing for wallpapers

Author: thelamer

root/defaults/xfce/xfce4-desktop.xml

@@ -4,7 +4,12 @@
   <property name="last-settings-migration-version" type="uint" value="1"/>
   <property name="backdrop" type="empty">
     <property name="screen0" type="empty">
-      <property name="monitorscreen" type="empty">
+      <property name="monitorselkies-primary" type="empty">
+        <property name="workspace0" type="empty">
+          <property name="last-image" type="string" value="/usr/share/backgrounds/xfce/xfce-cp-dark.svg"/>
+        </property>
+      </property>
+      <property name="monitorselkies-display2" type="empty">
         <property name="workspace0" type="empty">
           <property name="last-image" type="string" value="/usr/share/backgrounds/xfce/xfce-cp-dark.svg"/>
         </property>