feat(nav): client area tabs in main navigation

- Add Cabinet button to header (dashboard icon)
- When in /clientarea/* show tabs instead of search input
- Tabs: Заказы | Предложения (SELLER only) | Адреса | Профиль | Команда
- Hide Explore/Quote toggle in client area
- Remove SubNavigation for clientarea (tabs moved to MainNavigation)

i18n/locales/en/cabinetNav.json

@@ -1,5 +1,6 @@
 {
   "cabinetNav": {
+    "cabinet": "My Cabinet",
     "search": "Search",
     "catalog": "Catalog",
     "orders": "My orders",