Increasing compatibility with JsonLD Parser

[ferrari2k]

Topic and Scope

I added the possibility to parse more pages like picnic without parsing errors

Concerns/issues

-/-

Formal requirements

There are some formal requirements that should be satisfied. Please mark those by checking the corresponding box.

• [ x ] I did check that the app can still be opened and does not throw any browser logs
• [ x ] I created tests for newly added PHP code (check this if no PHP changes were made)
• [ x ] I updated the OpenAPI specs and added an entry to the API changelog (check if API was not modified)
• [ x ] I notified the matrix channel if I introduced an API change