* populate site_imports from sites.imported_data in CE
* not dry_run?
* Wrap data migration using `with_repo` to ensure ClickhouseRepo is running
* Do not create funnels in seeds when running CE
* Remove migrator wrapper
* Explicitly raise on rollback attempt
* Put a warning in data migration scripts which are put in migrations
---------
Co-authored-by: Adrian Gruntkowski <adrian.gruntkowski@gmail.com>