Issue Summary

When a user is performing a migration there is a user-sync-delay that causes the migration to fail with messages similar to this:

2022-10-13 00:19:26.586245 ERROR XXXXX project-import We couldn't import Filter 'Filter for Board'. Reason: Could not resolve a user with the provided AAID: aaaaaaaaaaaaaaaa11111111aaaaaaaaaa

OR

2022-10-13 00:19:27.249541 ERROR XXXXX project-import We couldn't import Project Role 'role'. Reason: IllegalArgumentException: Role actor [ProjectRoleActor{id='aaaaaaaaaaaaaaaa11111111aaaaaaaaaa'}] does not exist. This caused 9999 other items to fail.

This is reproducible on Data Center: yes

Steps to Reproduce

1. Generate a Server to Cloud migration with 500+ users, 50+ Projects with Boards and Saved Filters.
2. Select a Cloud site that does not have any users.
3. Choose to migrate all data and all projects.

Expected Results

Migration is complete with sucess.

Actual Results

The migration fails with the previously mentioned errors.

Workaround

Perform a migration with only users and groups first, and then perform a new migration with the Projects and all settings.