With MGNLUI-5081 being done we can migrate also message views definitions in other modules (from jcr to yaml, from old M5 to M6).

We have message views configured in these modules: Pages, Workflow, Scheduler, Content-Importer. For more info please see: https://demo.magnolia-cms.com/.magnolia/admincentral#app:definitions-app:overview;messageViews::