Fix next url in events registrations admin

Ghost User
2018-11-02T15:46:26+01:00

Closes #735 #### Previous behaviour Steps to reproduce: 1. Create a registration in the backend for and event using 'save and add another' 1. Get the overview instead of form #### New behaviour Steps to validate that it works: 1. Cre...

Closes #735 (closed)

Previous behaviour

Steps to reproduce:

1. Create a registration in the backend for and event using 'save and add another'

2. Get the overview instead of form

New behaviour

Steps to validate that it works:

1. Create a registration in the backend for and event using 'save and add another'

2. Get the form