Add relations in database event trigger output data (#11820)

## Done
- add relations in dropdown variables
- add relations in worklfow run inputs
- use objectMetadataMaps in workflow folder

## To do
- does not work with rest api calls, will be fixed after
https://github.com/twentyhq/twenty/pull/11349 is merged
- waiting for crud action relation fields
https://github.com/twentyhq/core-team-issues/issues/509

packages/twenty-server/src/engine/metadata-modules/utils/remove-field-maps-from-object-metadata.util.ts

@@ -7,4 +7,8 @@ import { ObjectMetadataItemWithFieldMaps } from 'src/engine/metadata-modules/typ
 export const removeFieldMapsFromObjectMetadata = (
   objectMetadata: ObjectMetadataItemWithFieldMaps,
 ): ObjectMetadataInterface =>
-  omit(objectMetadata, ['fieldsById', 'fieldsByName']);
+  omit(objectMetadata, [
+    'fieldsById',
+    'fieldsByName',
+    'fieldsByJoinColumnName',
+  ]);