* Upgrades prisma to v4

* Upgrades prisma to v4

* Upgrades prisma to v4

* Removes preview feature as it's on stable now

* Adds missing owner relationship

* Adds missing onCascades to prevent orphans

* TODO

* Adds default date to feedback

* Adds missing foreign keys

* Update schema.prisma

* Update console

* Fixes build error

* Update console

* Delete migration.sql