✨(frontend) add tabs for mail domain page (#466)

Currently, it is complicated to understand the navigation between mailbox
management and role management for an email domain.
This is why we add tabs with explicit naming

src/frontend/apps/desk/package.json

@@ -29,6 +29,7 @@
     "react-hook-form": "7.53.0",
     "react-i18next": "15.0.2",
     "react-select": "5.8.1",
+    "sass": "1.80.3",
     "styled-components": "6.1.13",
     "zod": "3.23.8",
     "zustand": "4.5.5"