Check architecture tests

[koppor]

Why can JavaFX be imported in the logic package without alarms going off?

Refs JabRef#5470

[matthiasgeiger]

Therefore:
https://github.com/JabRef/jabref/blob/bc26c3ac5a3f3e0e7d806ac3639bf079c98441e0/src/test/java/org/jabref/architecture/MainArchitectureTests.java#L49

I don't remember where and when this was discussed but the outcome was that using the FXcollections should be allowed in logic.

Edit: Git blame FTW: JabRef#2719

[koppor]

Yeah, I remember the long discussions in the dev call. I was on the side to allow them 🙈. Should rethink it now that Eclipse Collections (JabRef#3023)
is mature.