[web/views] fix editcontroller regression
unittest_views_basecontrollers.py's
EditControllerTC.test_edit_mandatory_inlined3_object regressed with
changeset dcbb64d3a1d9 because it relied on POSTing nonexisting eids.
This seems like a silly idea, but let's keep the behaviour unchanged.
sync_schema_props_perms('CWSourceHostConfig', syncperms=False)
sql('INSERT INTO cw_source_relation(eid_from, eid_to) '
'SELECT e.eid,s.cw_eid FROM entities as e, cw_CWSource as s '
'WHERE s.cw_name=e.source AND NOT EXISTS(SELECT 1 FROM cw_source_relation WHERE eid_from=e.eid AND eid_to=s.cw_eid)')
commit()