On reports, the creation date of an issue is overridden by its parent's creation date

Issue Summary

On reports, the creation date of an issue (or the date when the issue was added to sprint) is overridden by its parent's creation date

Environment

Jira Software + Next-gen

Steps to Reproduce

1. Create a next-gen scrum project.
2. Create an issue.
3. Create a sprint, add issue to sprint, then start sprint.
4. Now open the burnup report.
5. Create an epic, assign issue to the epic.
6. Now open the burnup report again. There'd be an "Added to sprint" entry.

Expected Results

The report reads the issue's created date.

Actual Results

The report reads the parent issue's created date.

Notes

NA

Workaround

NA