Add missing collection label (#6677)

Co-authored-by: Daniel James Smith <djsmith85@users.noreply.github.com>

apps/desktop/src/locales/en/messages.json

@@ -2596,5 +2596,8 @@
   },
   "lastPassTryAgainCheckEmail": {
     "message": "Try again or look for an email from LastPass to verify it's you."
+  },
+  "collection": {
+    "message": "Collection"
   }
 }