Make filters non-exclusive

[mugraph]

Selecting 'Buchvorstellung' + 'Interview' should show both

[genofire]

i code line where you would need it, would be nice - to write an example code

[genofire]

refactory on 58cba68

i implement a Orin API - 091284c

[genofire]

is maybe solved with 54e0b06

[mugraph]

I think we should not close this until the following shows the expected results with or:

https://v2-dev.media.kukoon.de/recordings/?tag=0bca0cf4-a9b9-46d7-821f-18c59c08fc1d&tag=87fb7f4b-1e5c-4c1b-8020-2860987da6bc