Issue #2955321 by niknak: Unable to change non-translatable field value on...

Issue #2955321 by niknak: Unable to change non-translatable field value on translatable content with content moderation enabled

Closes #2955321

core/lib/Drupal/Core/Entity/Plugin/Validation/Constraint/EntityUntranslatableFieldsConstraintValidator.php

@@ -71,8 +71,11 @@ public function validate($entity, Constraint $constraint): void {
     // in default revisions.
     if ($this->hasUntranslatableFieldsChanges($entity)) {
       if ($entity->isDefaultTranslationAffectedOnly()) {
+        $moderationInformation = \Drupal::hasService('content_moderation.moderation_information') ?
+          \Drupal::service('content_moderation.moderation_information') :
+          NULL;
         foreach ($entity->getTranslationLanguages(FALSE) as $langcode => $language) {
-          if ($entity->getTranslation($langcode)->hasTranslationChanges()) {
+          if ($entity->getTranslation($langcode)->hasTranslationChanges() && ($moderationInformation === NULL || !$moderationInformation->isModeratedEntity($entity->getTranslation($langcode)))) {
             $this->context->addViolation($constraint->defaultTranslationMessage);
             break;
           }