fix regression in access to object names w/o version qualifier

When resolving to the latest version implicitly, only local
ACLs were loaded (no ancestor ACLs) and so access was more
restricted than if resolving the same version explicitly with
the version ID in the URL.

hatrac/model/directory/pgsql.py

@@ -1186,7 +1186,7 @@ def get_current_version(self, object, conn=None, cur=None):
         assert object.id is not None, object
         results = self._version_list(conn, cur, object.id, limit=1)
         if results:
-            return HatracObjectVersion(self, object, **results[0])
+            return self.version_resolve(object, results[0]['version'], conn=conn, cur=cur)
         else:
             raise core.Conflict('Object %s currently has no content.' % object)