Refactor navigation and fix UI issues

- Add py-4 to main layout for detail page padding
- Show search widget only on main page (not all catalog pages)
- Add 4 menu items: Search, Catalog, Orders, Seller
- Fix orders page click to navigate to order detail
- Update CatalogPage map positioning for new nav structure
- Add search translation to cabinetNav i18n files

i18n/locales/ru/cabinetNav.json

@@ -1,5 +1,6 @@
 {
   "cabinetNav": {
+    "search": "Поиск",
     "catalog": "Каталог",
     "orders": "Мои заказы",
     "addresses": "Мои адреса",