Make this module work with Views Selection from Core

See my comment on the MR.
Otherwise its a fairly tiny Plugin.

Let me know if you prefer I create this as a separate contrib module extending this.

scott_euser → credited weynhamz → .

Once reviewed that others are happy with the approach, will add test coverage

Needs test coverage

Added test coverage + fixed some schema validation errors in the wider module that that revealed

Automatically closed - issue fixed for 2 weeks with no activity.