View field override (#18572)

## Context
This PR introduces overrides for view fields which will be useful for
page layout FIELDS widgets fields position/groups/visibility override +
restore logic.

packages/twenty-server/src/engine/workspace-manager/twenty-standard-application/utils/view-field-group/create-standard-view-field-group-flat-metadata.util.ts

@@ -69,6 +69,7 @@ export const createStandardViewFieldGroupFlatMetadata = <
     name,
     position,
     isVisible,
+    overrides: null,
     createdAt: now,
     updatedAt: now,
     deletedAt: null,

packages/twenty-server/src/engine/workspace-manager/twenty-standard-application/utils/view-field/create-standard-view-field-flat-metadata.util.ts

@@ -120,6 +120,8 @@ export const createStandardViewFieldFlatMetadata = <
     isVisible,
     size,
     aggregateOperation,
+    overrides: null,
+    universalOverrides: null,
     createdAt: now,
     updatedAt: now,
     deletedAt: null,