Add shortcut metadata to data models & CommandMenu (#7977)

Resolves https://github.com/twentyhq/twenty/issues/7503

---------

Co-authored-by: Félix Malfait <felix@twenty.com>

packages/twenty-server/src/engine/metadata-modules/object-metadata/dtos/object-metadata.dto.ts

@@ -53,6 +53,9 @@ export class ObjectMetadataDTO {
   @Field({ nullable: true })
   icon: string;
 
+  @Field({ nullable: true })
+  shortcut: string;
+
   @FilterableField()
   isCustom: boolean;