json and csv export in tactical overview does not work

[moreamazingnick]

Describe the bug

The Json / csv export does not work on tactical overview, it works in the monitoring module

To Reproduce

1. login
2. click on overview-> tactical overview -> options (v) -> csv or json
3. or navigate to

• https://demo.icinga.com/icingadb/tactical?format=csv
• https://demo.icinga.com/icingadb/tactical?format=json

4. get error

Expected behavior

return valid json and consider the filters if set

Your Environment

https://demo.icinga.com