Issue #2971779 by timmillwood, amateescu, alexpott, Sam152: Disallow moderation of internal entity types

Issue #2843083 by timmillwood, Manuel Garcia, Sam152, naveenvalecha, amateescu, yoroy, Gábor Hojtsy, xjm, jojototh, Bojhan, lauriii: Select entity type / bundle in workflow settings

Issue #2824912 by Sam152, chr.fritsch, timmillwood: The moderation_state field incorrectly reports being read-only