plugins: add title, icon, and NFS page variants to migrated plugins

Signed-off-by: Patrik Oldsberg <poldsberg@gmail.com>
Made-with: Cursor

plugins/notifications/package.json

@@ -61,6 +61,7 @@
     "@backstage/ui": "workspace:^",
     "@material-ui/core": "^4.9.13",
     "@material-ui/icons": "^4.9.1",
+    "@remixicon/react": "^4.6.0",
     "lodash": "^4.17.21",
     "material-ui-confirm": "^3.0.12",
     "notistack": "^3.0.1",