Issue #3003238 by Sam152, amateescu, Berdir: EntityStorageException: Default revision can not be deleted in content_moderation_entity_revision_delete()

(cherry picked from commit 2492cdda)

Issue #2946402 by Sam152, awm, jibran, lamp5, mattshoaf, amateescu: Content moderation incorrectly always assumes a language is being added when the default language of an entity is being changed

(cherry picked from commit dd571111)

Issue #2973493 by Sam152: Remove @todo in content_moderation related to NULL values of the moderation_state field

Issue #2942497 by scott_euser, timmillwood, malcomio, Berdir: Using content moderation block in preview mode causes EntityStorageException

Issue #2940899 by plach, Wim Leers, hchonov: Regression: _entity_form routes should not get load_latest_revision_flag by default: changes default behavior (= regression) while only Content Moderation needs it

Issue #2860097 by plach, timmillwood, Sam152, Wim Leers, hchonov, catch, amateescu, matsbla: Ensure that content translations can be moderated independently

Issue #2941736 by plach, Sam152, amateescu, timmillwood: Moderation state revisions should have their isDefaultRevision() match the host entity's

Issue #2865579 by amateescu, Sam152: Rewrite the 'Latest revision' views filter and remove the revision_tracker table

Issue #2900421 by timmillwood, tim.plunkett, catch, Sam152: Architectural review of the Content Moderation module

Issue #2893888 by plach, Sam152, amateescu, evilehk: Content moderation state entity field data not removed when the host field data is

Issue #2899395 by timmillwood, Wim Leers, jojototh, xjm, Bojhan, DyanneNova: Content Moderation form in displayed entity looks broken

Issue #2856917 by amateescu, kriboogh: Moderating an entity that uses a special language (e.g. LANGCODE_NOT_SPECIFIED) throws exception

Issue #2890364 by timmillwood, amateescu, plach, xjm: Replace all uses of "forward revision" with "pending revision"

Issue #2876419 by Sam152, timmillwood, plach: Review content_moderation module and mark code with @internal where necessary

Issue #2766957 by timmillwood, vijaycs85, plach, Sam152, Gábor Hojtsy, catch, dawehner, alexpott, hchonov: Forward revisions + translation UI can result in forked draft revisions

Issue #2883868 by amateescu, Sam152, timmillwood, plach: Content Moderation decides to set a new revision as the default one way too late in the entity update process

Issue #2779931 by Sam152, alexpott, timmillwood, Wim Leers, catch, dawehner: Add storage exception that enforces unique content_entity_type_id and content_entity_id on the content moderation state content entity, and add access control handler to forbid all access

Issue #2864938 by fenstrat, timmillwood, Sam152: Content moderation form doesn't appear on new entities

Issue #2862988 by timmillwood, catch: EntityOperations::entityPresave doesn't always set the correct default revision

Issue #2779647 by alexpott, Sam152, catch, scookie, yoroy, pericxc, timmillwood, tacituseu, jhedstrom, xjm, bojanz, tstoeckler: Add a workflow component, ui module, and implement it in content moderation

Issue #2787881 by timmillwood, amateescu, Sam152, dawehner, alexpott: Moderating a non-translatable entity type throws exception

Issue #2781207 by timmillwood, dawehner: Use class resolver for abstracted Content Moderation classes

Issue #2725533 by timmillwood, alexpott, amateescu, webchick, dixon_, larowlan, dawehner, catch, Crell, Bojhan, jibran, Wim Leers, agentrickard, Berdir: Add experimental content_moderation module