Fix capacity calculation.

The category table does not index any non strict link to the computer. It is
not possible in such case to directly use the uid value.

master/bt5/slapos_cloud/SkinTemplateItem/portal_skins/slapos_cloud/Computer_checkAndUpdateCapacityScope.xml

@@ -97,7 +97,7 @@ if can_allocate:\n
   consumed_capacity = 0\n
 \n
   for instance in portal.portal_catalog.portal_catalog(\n
-      default_aggregate_uid=computer.getUid(),\n
+      default_aggregate_relative_url=\'%s/%%\' % computer.getRelativeUrl(),\n
       portal_type=[\'Software Instance\', \'Slave Instance\'],\n
       validation_state=\'validated\'):\n
 \n

master/bt5/slapos_cloud/bt/revision

-229
+230
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