[OBJECT_CACHE_FLUSH_REQUIRED_WHEN_RELEASED] Remove FlatObjectMetadata custom fieldMetadataIds fk aggregator property (#17438)

# Introduction
Currently refactoring `flatEntity` typing, encountering some tsc errors
due to this fk aggregator custom override
It shall now follow generic pattern leading to be named `fieldIds`

Needs to flush object cache when released

packages/twenty-server/src/modules/workflow/workflow-executor/utils/resolve-rich-text-fields-in-record.util.ts

@@ -11,7 +11,7 @@ export const resolveRichTextFieldsInRecord = (
 ): Record<string, unknown> => {
   const { flatObjectMetadata, flatFieldMetadataMaps } = objectMetadataInfo;
 
-  const richTextFieldNames = flatObjectMetadata.fieldMetadataIds
+  const richTextFieldNames = flatObjectMetadata.fieldIds
     .map((fieldId) => flatFieldMetadataMaps.byId[fieldId])
     .filter((field) => field?.type === FieldMetadataType.RICH_TEXT_V2)
     .map((field) => field?.name)

packages/twenty-server/src/modules/workflow/workflow-executor/workflow-actions/record-crud/find-records.workflow-action.ts

@@ -71,7 +71,7 @@ export class FindRecordsWorkflowAction implements WorkflowAction {
         workspaceId,
       );
 
-    const fields = flatObjectMetadata.fieldMetadataIds
+    const fields = flatObjectMetadata.fieldIds
       .map((fieldId) => {
         const field = flatFieldMetadataMaps.byId[fieldId];