Add content entity cache tags to auto-saves/pending endpoint
>>> [!note] Migrated issue
<!-- Drupal.org comment -->
<!-- Migrated from issue #3588546. -->
Reported by: [f.mazeikis](https://www.drupal.org/user/3513671)
Related to !1057
>>>
<h3 id="overview">Overview</h3>
<p>Currently when returning content entities such as Page from auto-saves/pending endpoint cache tags are missing. Let's fix that.</p>
<h3 id="proposed-resolution">Proposed resolution</h3>
<p>Add <code>enforceIsNew(FALSE)</code> call when creating new entity in <code>AutoSaveManager::getAllAutoSaveList()</code> and update tests accordingly.</p>
<h3 id="ui-changes">User interface changes</h3>
<p>None.</p>
> Related issue: [Issue #3587587](https://www.drupal.org/node/3587587)
issue