Added override for the _getSubmitData() method of the actor sheet to return a diff of the form data on v12. This appears to be a regression with how form data is returned on v12, and so there's a version check to allow the existing behavior to keep working on v11.
_getSubmitData()method of the actor sheet to return a diff of the form data on v12. This appears to be a regression with how form data is returned on v12, and so there's a version check to allow the existing behavior to keep working on v11.