Fix event push notifications form redirect and field labels

Ghost User
2019-05-28T12:31:48+02:00

Closes https://sentry.thalia.nu/sentry/concrexit-beta/issues/541/

Previous behaviour

Steps to reproduce:

1. Create an event push notification

2. Send (url is required + crash on redirect)

New behaviour

Steps to validate that it works:

1. Create an event push notification

2. Send (url not required, no crash)