Fixes #1250: URL bar constraints overlap on iPhone SE size (#1251)
Fixes #1250: URL bar constraints overlap on iPhone SE size (#1251)


justindarc/focus,mozilla/focus,mozilla/focus,justindarc/focus,mozilla-mobile/focus,mozilla/focus,mozilla-mobile/focus-ios,mozilla-mobile/focus-ios,mozilla-mobile/focus,mozilla-mobile/focus,mozilla/focus,mozilla-mobile/focus-ios,mozilla-mobile/focus-ios,mozilla-mobile/focus,mozilla-mobile/focus-ios,justindarc/focus,mozilla-mobile/focus,justindarc/focus,mozilla/focus,justindarc/focus,justindarc/focus,mozilla-mobile/focus,mozilla-mobile/focus-ios