slapos_cloud: Free Computer Partition count shall not be editable

master/bt5/slapos_cloud/SkinTemplateItem/portal_skins/slapos_cloud/Computer_viewCurrentUsage/your_free_partition_count.xml

@@ -10,9 +10,10 @@
             <key> <string>delegated_list</string> </key>
             <value>
               <list>
+                <string>default</string>
                 <string>display_width</string>
+                <string>editable</string>
                 <string>title</string>
-                <string>default</string>
               </list>
             </value>
         </item>
@@ -79,10 +80,18 @@
             <key> <string>values</string> </key>
             <value>
               <dictionary>
+                <item>
+                    <key> <string>default</string> </key>
+                    <value> <string></string> </value>
+                </item>
                 <item>
                     <key> <string>display_width</string> </key>
                     <value> <int>20</int> </value>
                 </item>
+                <item>
+                    <key> <string>editable</string> </key>
+                    <value> <int>0</int> </value>
+                </item>
                 <item>
                     <key> <string>field_id</string> </key>
                     <value> <string>my_integer_field</string> </value>