Clear cached plugin manager defintions when field widgets or AI Tools have changed

Issue information

From user: jurgenhaas

Contribution record

Fork management

Problem/Motivation

When saving an ECA model, and we find changes in subscribed events, and they include either field widgets or AI tools, then clear their plugin manager's definition cache if possible.

Edited by drupalbot
To upload designs, you'll need to enable LFS and have an admin enable hashed storage. More information