1573 extensibility twenty cli handle custom layers for serverless functions of applications (#14779)

- allow specific layers for serverless functions
- add a serverlessFunctionLayer table
- sync application layer

packages/twenty-server/src/engine/metadata-modules/flat-object-metadata/types/flat-object-metadata.type.ts

@@ -8,6 +8,7 @@ export const objectMetadataEntityRelationProperties = [
   'indexMetadatas',
   'targetRelationFields',
   'dataSource',
+  'application',
   'objectPermissions',
   'fieldPermissions',
 ] as const satisfies ObjectMetadataRelationProperties[];