4586 fix workspace member feature (#4680)

* Fix import

* Handle delete workspace member consequences

* Add a patch to request deleted workspace member's userId

* Remove useless relations

* Handle delete workspace + refactor

* Add missing migration

* Fix test

* Code review returns

* Add missing operation in migration file

* Fix code review return update

* Fix workspaceMember<>ConnectedAccount relation

packages/twenty-server/src/modules/workspace-member/standard-objects/workspace-member.object-metadata.ts

@@ -186,6 +186,7 @@ export class WorkspaceMemberObjectMetadata extends BaseObjectMetadata {
     type: RelationMetadataType.ONE_TO_MANY,
     inverseSideTarget: () => ConnectedAccountObjectMetadata,
     inverseSideFieldKey: 'accountOwner',
+    onDelete: RelationOnDeleteAction.CASCADE,
   })
   connectedAccounts: ConnectedAccountObjectMetadata[];