Fixed margins

ubl-settings-usergroups-user.glade

@@ -509,6 +509,7 @@
                             <property name="visible">True</property>
                             <property name="can-focus">True</property>
                             <property name="receives-default">False</property>
+                            <property name="halign">start</property>
                             <property name="draw-indicator">True</property>
                           </object>
                           <packing>
@@ -523,6 +524,7 @@
                             <property name="visible">True</property>
                             <property name="can-focus">True</property>
                             <property name="receives-default">False</property>
+                            <property name="halign">start</property>
                             <property name="draw-indicator">True</property>
                           </object>
                           <packing>

ubl-settings-usergroups.glade

@@ -103,12 +103,6 @@ Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
   <object class="GtkBox" id="PlugBox">
     <property name="visible">True</property>
     <property name="can-focus">False</property>
-    <property name="margin-left">5</property>
-    <property name="margin-right">5</property>
-    <property name="margin-start">5</property>
-    <property name="margin-end">5</property>
-    <property name="margin-top">5</property>
-    <property name="margin-bottom">5</property>
     <property name="hexpand">True</property>
     <property name="vexpand">True</property>
     <property name="spacing">5</property>