Fixes #2184 - Add missing strings to UIConstants (#2185)
Fixes #2184 - Add missing strings to UIConstants (#2185)

* Fixes #2184 - Add missing strings to UIConstants

* Fixes #2184 - Add missing strings to UIConstants

Co-authored-by: Bogdan Cernea <19b6e73eb6cf217c57dc4e2d7eb0e546ee0d51b2@softvision.com>
Co-authored-by: Stefan Arentz <eb0877843acc39f8ef6f7269937dee931c372d23@arentz.ca>
mozilla-mobile/focus-ios,mozilla-mobile/focus-ios,mozilla-mobile/focus-ios,mozilla-mobile/focus-ios,mozilla-mobile/focus-ios,mozilla-mobile/focus-ios