Update pageLayout* data models for backend recordPageLayout refactor (#17446)

<img width="814" height="356" alt="Screenshot 2026-01-26 at 16 09 27"
src="https://github.com/user-attachments/assets/91d95a1d-cc33-4bf0-a63e-4d1815030983"
/>

packages/twenty-server/src/engine/metadata-modules/flat-page-layout/services/workspace-flat-page-layout-map-cache.service.ts

@@ -70,6 +70,8 @@ export class WorkspaceFlatPageLayoutMapCacheService extends WorkspaceCacheProvid
       createIdToUniversalIdentifierMap(applications);
     const objectMetadataIdToUniversalIdentifierMap =
       createIdToUniversalIdentifierMap(objectMetadatas);
+    const pageLayoutTabIdToUniversalIdentifierMap =
+      createIdToUniversalIdentifierMap(pageLayoutTabs);
 
     const flatPageLayoutMaps = createEmptyFlatEntityMaps();
 
@@ -81,6 +83,7 @@ export class WorkspaceFlatPageLayoutMapCacheService extends WorkspaceCacheProvid
         },
         applicationIdToUniversalIdentifierMap,
         objectMetadataIdToUniversalIdentifierMap,
+        pageLayoutTabIdToUniversalIdentifierMap,
       });
 
       addFlatEntityToFlatEntityMapsThroughMutationOrThrow({