Fix URL editing test (after MBS-5552)

Commit 4bd23062bef5dca410763ce3066a2a7cc060a73c added new fields to
the edit data for "edit URL" edits. Change the corresponding test to
take these into account.
Add URL lookup to unrestricted-endpoint whitelist
Merge remote-tracking branch 'chirlu/mbs-5552' into beta

* chirlu/mbs-5552:
  Fix URL editing test (after MBS-5552)
Merge remote-tracking branch 'chirlu/mbs-7448' into beta

* chirlu/mbs-7448:
  Add URL lookup to unrestricted-endpoint whitelist
Merge branch 'beta' of github.com:metabrainz/musicbrainz-server into beta