Connect logic in Workspace Entity Manager (#13078)

Large PR, sorry for that. Don't hesitate to reach me to have full
context (env. 500lines for integration and unit tests)

- Add connect logic in Workspace Entity Manager
- Update QueryDeepPartialEntity type to enable dev to use connect
- Add integration test on createOne / createMany
- Add unit test to cover main utils
- Remove feature flag on connect

closes https://github.com/twentyhq/core-team-issues/issues/1148
closes https://github.com/twentyhq/core-team-issues/issues/1147

packages/twenty-server/test/integration/constants/test-company-ids.constants.ts

@@ -1 +1,2 @@
 export const TEST_COMPANY_1_ID = '525c282e-030a-4a3e-90a0-d8aad0d33a93';
+export const TEST_COMPANY_2_ID = '2fd9a9ea-04a5-483b-846d-2819dd658fc1';