Add POC for Field translation (#9898)

Similar to ObjectMetadata translation

Also fixed an issue linked to the migration from `t` to `message`
helper: we're forced to rebuild the ID ourselves

packages/twenty-server/src/engine/metadata-modules/field-metadata/field-metadata.resolver.ts

@@ -16,6 +16,7 @@ import { FieldMetadataType } from 'twenty-shared';
 
 import { FeatureFlagKey } from 'src/engine/core-modules/feature-flag/enums/feature-flag-key.enum';
 import { FeatureFlagService } from 'src/engine/core-modules/feature-flag/services/feature-flag.service';
+import { I18nContext } from 'src/engine/core-modules/i18n/types/i18n-context.type';
 import { Workspace } from 'src/engine/core-modules/workspace/workspace.entity';
 import { IDataloaders } from 'src/engine/dataloaders/dataloader.interface';
 import { AuthWorkspace } from 'src/engine/decorators/auth/auth-workspace.decorator';
@@ -43,6 +44,30 @@ export class FieldMetadataResolver {
     private readonly featureFlagService: FeatureFlagService,
   ) {}
 
+  @ResolveField(() => String, { nullable: true })
+  async label(
+    @Parent() fieldMetadata: FieldMetadataDTO,
+    @Context() context: I18nContext,
+  ): Promise<string> {
+    return this.fieldMetadataService.resolveTranslatableString(
+      fieldMetadata,
+      'label',
+      context.req.headers['x-locale'],
+    );
+  }
+
+  @ResolveField(() => String, { nullable: true })
+  async description(
+    @Parent() fieldMetadata: FieldMetadataDTO,
+    @Context() context: I18nContext,
+  ): Promise<string> {
+    return this.fieldMetadataService.resolveTranslatableString(
+      fieldMetadata,
+      'description',
+      context.req.headers['x-locale'],
+    );
+  }
+
   @Mutation(() => FieldMetadataDTO)
   async createOneField(
     @Args('input') input: CreateOneFieldMetadataInput,