🔒 Fixed permissible method for Integration Model
🔒 Fixed permissible method for Integration Model

refs https://github.com/TryGhost/Ghost/security/advisories/GHSA-j5c2-hm46-wp5c

The permissible method of models overrides all permission logic, which
means we must manually check the user & api key permissions before
continuing.

e10/Ghost,TryGhost/Ghost,ErisDS/Ghost,ErisDS/Ghost,ErisDS/Ghost,janvt/Ghost,TryGhost/Ghost,e10/Ghost,janvt/Ghost,TryGhost/Ghost