Found via `codespell -q 3 -S ./lang`

Protectt ourselves against interfaceConfig being undeclared. typeof
interfaceConfig will return "undefined", but that's different than having some
window.interfaceConfig = undefined, even though the valus is the same. The
former will give a ReferenceError.

Adds 1 liner notifications to mobile. Only the title is displayed. In
case the title is missing there's a fallback to the description.