Make snap connect commands selectable

Author: giox069

remmina/ui/remmina_snap_info_dialog.glade

@@ -66,6 +66,7 @@
 sudo snap connect remmina:cups-control :cups-control
 sudo snap connect remmina:mount-observe :mount-observe
 sudo snap connect remmina:password-manager-service :password-manager-service</property>
+            <property name="selectable">True</property>
             <attributes>
               <attribute name="font-desc" value="Monospace 10"/>
             </attributes>