[Backport Request] Generic revision UI from D10.1 to D9.5

Hi, sorry we don't add new features to the stable branch, but feel free to run the patch in the meantime

reroll of patch from #2350939-317: Implement a generic revision UI → + disallow revert link for current revision

 +++ b/core/lib/Drupal/Core/Entity/Controller/VersionHistoryController.php
-@@ -0,0 +1,335 @@
+@@ -0,0 +1,340 @@
 +<?php
 +
 +namespace Drupal\Core\Entity\Controller;
@@ -275,6 +292,11 @@ index 0000000000..fd5d00f2e4
 +      return NULL;
 +    }
 +
++    // Disallow reverting to the default revision.
++    if ($revision->isDefaultRevision()) {
++      return NULL;
++    }
++
 +    return [
 +      'title' => $this->t('Revert'),
 +      'url' => $url,

Rerolled above patch for 9.5.x

Backported patch for Generic Revision UI in D9.5.9 including below fixes
- disallow revert link for current revision from #4
- 🐛 Generic Revision UI's Revision overview page generates wrong operations/view links for a translation Fixed

Backported patch for Generic Revision UI in D9.5.9 including below fixes
- disallow revert link for current revision from #4
- 🐛 Generic Revision UI's Revision overview page generates wrong operations/view links for a translation Fixed
- Workaround fix for 🐛 Revision UI reverts all language translations when only one language is reverted Active