feat: add "back to objects" link on the works page

The works page of an object had no way back except the sidebar. The link
goes straight to the objects of the same project, so it also works when
the page was opened by a direct URL.

Co-Authored-By: Claude Opus 5.5 (1M context) <noreply@anthropic.com>

src/webparts/stroyBot/pages/works/texts.ts

@@ -2,6 +2,7 @@
 
 export const WORKS_TEXTS = {
   defaultHeader: 'ОБЪЕКТЫ ПРОЕКТА',
+  backToObjects: '← К объектам',
   addWork: 'Добавить работу',
   addFirst: '+ Добавить работу',
   columns: {