[components] Closes mozilla-mobile/android-components#7879 Provide an…

… error message when

non translation is found for an add-on field.

X-Channel-Revision: [main] mozilla-mobile/android-components@cf522a7
X-Channel-Revision: [main] mozilla-mobile/fenix@20b25d7
X-Channel-Revision: [main] mozilla-mobile/focus-android@29486b8
X-Channel-Converted-Revision: [ac-prep] mozilla-mobile/firefox-android@3ba3027

_meta/mozilla-mobile-firefox-android.json

@@ -1,6 +1,6 @@
 {
   "name": "mozilla-mobile/firefox-android",
   "revs": {
-    "ac-prep": "f506f74dfb701569b14cf9b615d22d46b8a4d8c0"
+    "ac-prep": "3ba30278c91dd3c7a60f8d604e67763854659007"
   }
 }