tdf#99104 Checkbox in User Data page isn’t aligned to anything in the section

See comment 6.

Change-Id: I492b8fa9a0e018ded46a6ebe290088898bdfe3d9

cui/uiconfig/ui/optuserpage.ui

@@ -420,9 +420,8 @@
                 <property name="draw_indicator">True</property>
               </object>
               <packing>
-                <property name="left_attach">0</property>
+                <property name="left_attach">1</property>
                 <property name="top_attach">12</property>
-                <property name="width">2</property>
               </packing>
             </child>
             <child>
@@ -795,6 +794,9 @@
                 <property name="top_attach">0</property>
               </packing>
             </child>
+            <child>
+              <placeholder/>
+            </child>
           </object>
         </child>
       </object>