NavigatableMixin.navigate: Add missing argument
NavigatableMixin.navigate: Add missing argument

Environment.navigate takes 3 args: path, navigation, and cb.

NavigatableMixin.navigate, which calls Environment.navigate only
accepted two arguments: path and cb. This change adds the missing
argument.

jsg2021/react-router-component,modulexcite/react-router-component,migolo/react-router-component,STRML/react-router-component