Using content moderation block in unpublished node throws workflow errors.

Summary:

Using content_moderation block on node view page throws error when node has never been published.
The website encountered an unexpected error. Please try again later.</br></br><em class="placeholder">Drupal\Core\Entity\EntityStorageException</em>: The state &#039;&#039; does not exist in workflow.&#039; in <em class="placeholder">Drupal\Core\Entity\Sql\SqlContentEntityStorage-&gt;save()</em> (line <em class="placeholder">805</em> of <em class="placeholder">core/lib/Drupal/Core/Entity/Sql/SqlContentEntityStorage.php</em>).

Replicate:

Using Lightning 3.0.1 (no error on Clean D8.4 install w/o Lightning)

1. Install Lightning
2. Create Basic page, save as DRAFT
3. In 'view' mode, select 'In Review': Throws error and does not change state.
   The website encountered an unexpected error. Please try again later.</br></br><em class="placeholder">Drupal\Core\Entity\EntityStorageException</em>: The state &#039;&#039; does not exist in workflow.&#039; in <em class="placeholder">Drupal\Core\Entity\Sql\SqlContentEntityStorage-&gt;save()</em> (line <em class="placeholder">805</em> of <em class="placeholder">core/lib/Drupal/Core/Entity/Sql/SqlContentEntityStorage.php</em>)
4. In 'view' mode, select 'Published': Throws error,
   Notice: Undefined property: Drupal\node\Entity\Node::$moderation_state in Drupal\content_moderation\ModerationInformation->isDefaultRevisionPublished() (line 183 of core/modules/content_moderation/src/ModerationInformation.php).
5. Once page has been published, content works just fine.

Fix?

• Possible Patch: https://www.drupal.org/files/issues/content_moderation-fix_publishing_of...
• Related issue: https://www.drupal.org/project/drupal/issues/2930139#comment-12452097