Fallback field in campaign managed component dialog is broken

Steps to reproduce

1. Create a slot for example banner 
2. Create a creative in the default schedule
3. Create a new schedule for summer
4. Add a creative in the new schedule for banner
5. Open the dialog to create a campaign managed component in a page

Expected results

I would expect to be able to choose a fallback create which should be used if my chosen slot has no active campaign.

Actual results

Right now I can select every node in the dialog. And the fallback is also not working.

Workaround

There is no workaround for this.

Development notes