Rearrange ECA token creation

The code is looking good. I'm just worried about the breaking change for the installed sites. Is there a simple test scenario with which we can easily debug the old and the new structure. Maybe we can still find out why the previous approach didn't work?

Seems like I forgot to update the status when writing my previous comment.

@danielspeicher any chance we can address this now for Drupal 10? The MR doesn't apply any longer, but also the question from #5 is probably worth getting back into.

The fact, that replace behaves differently as getOrReplace is intended.

The corresponding ECA model is changed. The required token is set in an action, which uses getOrReplace and the entity or user can be accessed.