Problem/Motivation
See #2594425-137: Add the option in system menu block to "Expand all items in this tree"
This issue broke the upgrade test for DER 1.x to 2.x https://www.drupal.org/pift-ci-job/1147416.
Proposed resolution
Add block module check or move the post-update hook to block module
Remaining tasks
- Finalize the approach.
- Add more upgrade path test.
User interface changes
None
API changes
None
Data model changes
None
Release notes snippet
None