v7.1.0 Transfer with owner

Important

• This release requires a database update using the provided update scripts

New

• Closes #2491 - Set Owner of Task when Transferring
• Closes #2542 - Add number of comments to the tasks

What's changed

• Closes #2555 - Fix deleteClassification
• Closes #2542 - Fix flaky test WorkBasketCleanupJobAccTest.should_DeleteOldWorkbasketCleanupJobs_When_InitializingSchedule
• Closes #2536 - Fixed user creation by initialization of groups and permissions