[js] Fix iterator for callbacks, use `includes` not `contains` (#22)
[js] Fix iterator for callbacks, use `includes` not `contains` (#22)


bugsnag/bugsnag-react-native,bugsnag/bugsnag-react-native,bugsnag/bugsnag-react-native,bugsnag/bugsnag-react-native,bugsnag/bugsnag-react-native