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-entity/constant/all-metadata-relations.constant.ts

@@ -306,6 +306,11 @@ export const ALL_METADATA_RELATIONS = {
         foreignKey: 'objectMetadataId',
       },
       application: null,
+      defaultTabToFocusOnMobileAndSidePanel: {
+        metadataName: 'pageLayoutTab',
+        flatEntityForeignKeyAggregator: null,
+        foreignKey: 'defaultTabToFocusOnMobileAndSidePanelId',
+      },
     },
     oneToMany: {
       tabs: { metadataName: 'pageLayoutTab' },

packages/twenty-server/src/engine/metadata-modules/flat-entity/constant/all-metadata-required-metadata-for-validation.constant.ts

@@ -62,6 +62,7 @@ export const ALL_METADATA_REQUIRED_METADATA_FOR_VALIDATION = {
   },
   pageLayout: {
     objectMetadata: true,
+    pageLayoutTab: true,
   },
   pageLayoutTab: {
     pageLayout: true,

packages/twenty-server/src/engine/metadata-modules/flat-entity/utils/__tests__/__snapshots__/sort-metadata-names-children-first.util.spec.ts.snap

@@ -9,13 +9,13 @@ exports[`sortMetadataNamesChildrenFirst should return metadata names sorted with
   "viewField",
   "commandMenuItem",
   "index",
+  "pageLayout",
   "roleTarget",
   "rowLevelPermissionPredicateGroup",
   "viewGroup",
   "agent",
   "frontComponent",
   "logicFunction",
-  "pageLayout",
   "pageLayoutTab",
   "skill",
   "view",