Fix issue with relationship sorts due to missing join_manager#1443

lgebhardt merged 1 commit intov0-11-devJSONAPI-Resources/jsonapi-resources:v0-11-devfrom

v0-11-dev-fix-v09-missing-join-managerJSONAPI-Resources/jsonapi-resources:v0-11-dev-fix-v09-missing-join-managerCopy head branch name to clipboard