Closes #2491: Set Owner of Task when Transferring

[jamesrdi]

https://sonarcloud.io/summary/new_code?id=jamesrdi_taskana&branch=TSK-2491-BackupNew

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Release Notes:

### For the submitter: - [x] I updated the [documentation](https://taskana.atlassian.net/wiki/spaces/TAS/overview) and will supply links to the specific files - [ ] I did not update the [documentation](https://taskana.atlassian.net/wiki/spaces/TAS/overview) - [x] I included a link to the [SonarCloud branch analysis](https://taskana.atlassian.net/wiki/spaces/TAS/pages/1019969636/SonarCloud+Integration) - [ ] After integration of the PR, I added a description of changes on the [current release notes](https://taskana.atlassian.net/wiki/spaces/TAS/pages/1281392672/Current+Release+Notes+Taskana) - [x] I did not update the [current release notes](https://taskana.atlassian.net/wiki/spaces/TAS/pages/1281392672/Current+Release+Notes+Taskana) - [ ] I put the ticket in review - [ ] After integration of the pull request, I verified our [bluemix test environment](http://taskana.mybluemix.net/taskana) is not broken ### Verified by the reviewer: - [ ] Commit message format → (Closes) #<Issue Number>: Your commit message. - [ ] Submitter's update to [documentation](https://taskana.atlassian.net/wiki/spaces/TAS/overview) is sufficient - [ ] SonarCloud analysis meets our standards - [ ] Update of the [current release notes](https://taskana.atlassian.net/wiki/spaces/TAS/pages/1281392672/Current+Release+Notes+Taskana) reflects changes - [ ] PR fulfills the ticket - [ ] Edge cases and unwanted side effects are tested - [ ] Readability

[ryzheboka]

The discussions took place in the closed PR for the same issue: #2495

[jamesrdi]

You introduced new Sonarcloud issues in the new code. Please fix them!

I checked it again and cannot find the issues introduced by new code

[ryzheboka]

You introduced new Sonarcloud issues in the new code. Please fix them!

I checked it again and cannot find the issues introduced by new code

You are right!