JIRA X-Ray reset option resets the current status of the test run,removes defects, deleted evidences

[Priyadarshini Ravi]

How to reproduce

1. Add a Test Execution to a Test.
2. Go to the Test Execution Details page.
3.  Add a Dataset or delete it or make any changes to the existing one and save it.
4. Select the Merge option.

Actual result: 

1. Execution Evidence gets removed.
2. All the iterations are re-set.
3. The defects, actual result, and evidence screenshots are deleted from the previous executions 

Expected result: Evedience, actual result and other details from other iterations should remain after the merge.