In the Requirements list gadget, if using a filter for a certain parameter, when showing the results hierarchically, the child issues should respect the filter

In the Requirements list gadget, if using a filter for a certain parameter, when showing the results hierarchically, the child issues should respect the filter as well.

Example:
Epic linked to Sprint A
We have 10 stories under this epic: 5 associated with sprint A and 5 with no sprint.
The expected result in the gadget: Epic + 5 stories with Sprint A.