Update enums to be all caps (#12372)

- Make custom domain public (remove from lab)
- Use ALL_CAPS definition for enums

packages/twenty-server/src/engine/metadata-modules/remote-server/utils/validate-remote-server-type.util.ts

@@ -34,9 +34,9 @@ export const validateRemoteServerType = async (
 const getFeatureFlagKey = (remoteServerType: RemoteServerType) => {
   switch (remoteServerType) {
     case RemoteServerType.POSTGRES_FDW:
-      return FeatureFlagKey.IsPostgreSQLIntegrationEnabled;
+      return FeatureFlagKey.IS_POSTGRESQL_INTEGRATION_ENABLED;
     case RemoteServerType.STRIPE_FDW:
-      return FeatureFlagKey.IsStripeIntegrationEnabled;
+      return FeatureFlagKey.IS_STRIPE_INTEGRATION_ENABLED;
     default:
       throw new RemoteServerException(
         `Type ${remoteServerType} is not supported.`,