feat(server): resolve app translations across remaining metadata resolvers (#22237)

## Summary

**PR 3/4** of the app-metadata-translations stack. Extends runtime
translation resolution to the remaining Twenty-rendered metadata types
so coverage is complete.

- New shared `MetadataTranslationResolverService.getApplicationCatalog({
applicationId, workspaceId, locale })` — the single seam for fetching an
app's per-locale catalog.
- Wired into the **page-layout tab**, **page-layout widget**,
**view-field-group**, **command-menu navigation item**, and **view
name** resolvers, each extended with an optional `applicationCatalog`
param (backward-compatible).

Together with PR 1/4 (object + field), this covers all seven
translatable metadata surfaces.

## Stack
Stacks on #22236 (PR 2/4). Base branch:
`claude/app-translation-2-sdk-manifest`.

## Verification note
`yarn install` could not complete in the remote dev environment, so
typecheck/lint/tests were not run locally — **CI is the source of
truth**.

https://claude.ai/code/session_01NiE7o3cd3zCLZarVkJa6UA

---
_Generated by [Claude
Code](https://claude.ai/code/session_01NiE7o3cd3zCLZarVkJa6UA)_

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packages/twenty-server/src/engine/dataloaders/dataloader.interface.ts

@@ -1,7 +1,7 @@
 import type DataLoader from 'dataloader';
 
 import {
-  type ApplicationRegistrationIdLoaderPayload,
+  type ApplicationTranslationCatalogLoaderPayload,
   type FieldMetadataLoaderPayload,
   type IndexFieldMetadataLoaderPayload,
   type IndexMetadataLoaderPayload,
@@ -100,8 +100,8 @@ export interface IDataloaders {
     string
   >;
 
-  applicationRegistrationIdLoader: DataLoader<
-    ApplicationRegistrationIdLoaderPayload,
-    string | null
+  applicationTranslationCatalogLoader: DataLoader<
+    ApplicationTranslationCatalogLoaderPayload,
+    Record<string, string> | undefined
   >;
 }

packages/twenty-server/src/engine/dataloaders/dataloader.service.ts

@@ -124,9 +124,10 @@ export type StandardApplicationIdLoaderPayload = {
   workspaceId: string;
 };
 
-export type ApplicationRegistrationIdLoaderPayload = {
-  workspaceId: string;
+export type ApplicationTranslationCatalogLoaderPayload = {
   applicationId: string;
+  workspaceId: string;
+  locale: keyof typeof APP_LOCALES;
 };
 
 @Injectable()
@@ -158,8 +159,8 @@ export class DataloaderService {
     const isConfiguredLoader = this.createIsConfiguredLoader();
     const standardApplicationIdLoader =
       this.createStandardApplicationIdLoader();
-    const applicationRegistrationIdLoader =
-      this.createApplicationRegistrationIdLoader();
+    const applicationTranslationCatalogLoader =
+      this.createApplicationTranslationCatalogLoader();
 
     return {
       relationLoader,
@@ -177,7 +178,7 @@ export class DataloaderService {
       viewFilterGroupsByViewIdLoader,
       isConfiguredLoader,
       standardApplicationIdLoader,
-      applicationRegistrationIdLoader,
+      applicationTranslationCatalogLoader,
     };
   }
 
@@ -831,12 +832,13 @@ export class DataloaderService {
     );
   }
 
-  private createApplicationRegistrationIdLoader() {
+  private createApplicationTranslationCatalogLoader() {
     return new DataLoader<
-      ApplicationRegistrationIdLoaderPayload,
-      string | null
-    >(async (params: ApplicationRegistrationIdLoaderPayload[]) => {
+      ApplicationTranslationCatalogLoaderPayload,
+      Record<string, string> | undefined
+    >(async (params: ApplicationTranslationCatalogLoaderPayload[]) => {
       const workspaceId = params[0].workspaceId;
+      const locale = params[0].locale;
 
       const { flatApplicationMaps } =
         await this.flatEntityMapsCacheService.getOrRecomputeManyOrAllFlatEntityMaps(
@@ -846,11 +848,29 @@ export class DataloaderService {
           },
         );
 
-      return params.map(
-        ({ applicationId }) =>
-          flatApplicationMaps.byId[applicationId]?.applicationRegistrationId ??
-          null,
-      );
+      const standardApplicationId =
+        getTwentyStandardApplicationIdOrThrow(flatApplicationMaps);
+
+      const catalogByRegistrationId =
+        await this.loadApplicationCatalogByRegistrationId({
+          applicationIds: params.map((param) => param.applicationId),
+          flatApplicationMaps,
+          locale,
+        });
+
+      return params.map((param) => {
+        if (param.applicationId === standardApplicationId) {
+          return undefined;
+        }
+
+        const applicationRegistrationId =
+          flatApplicationMaps.byId[param.applicationId]
+            ?.applicationRegistrationId;
+
+        return isDefined(applicationRegistrationId)
+          ? catalogByRegistrationId.get(applicationRegistrationId)
+          : undefined;
+      });
     });
   }