[Bug] Work item type conversion does not set correct status when choosing a new default status

Steps to reproduce

1. Create a new lifecycle for a task lifecycle
2. Create a new task in the project
3. Create a new status in task lifecycle
4. Set it as default status in task lifecycle
5. Now change the work item type to issue
6. Convert it back to task , see that the new default status is not applied to the work item

this is all fine for now because it's expected behavior. See the comment below for a case we need to fix.