Add manifest integration tests (#18203)

- add integration test on sync manifest endpoint
- fix invalid standard uuid + migration command

packages/twenty-server/src/engine/api/graphql/workspace-schema-builder/graphql-types/scalars/uuid.scalar.ts

@@ -9,7 +9,7 @@ const checkUUID = (value: any): string => {
     throw new ValidationError('UUID must be a string');
   }
   if (!uuidValidate(value)) {
-    throw new ValidationError(`Invalid UUID`, {
+    throw new ValidationError(`Invalid UUID: '${value}'`, {
       value,
     });
   }