Test Runs Summary Gadget is not filtering based on specific Test Priority field value

Description
Test Runs Summary Gadget is not filtering based on specific Test Priority field values.

Pre-conditions
Create a Filter and add it to the Saved Filter

How to reproduce

1. Configure the Saved filter in the Test Runs Summary Gadget on the Dashboard.
2. Select Group By field as Priority
3. Select a priority option from the Test Priority field for example (High/Medium/Low/any customized priority)
4. Click on save.

Actual result/Attachments:

Gadget not providing appropriate results.

Expected result

All issues should be filtered based on Test Priority.

Versions Tested:

v7.7.0-j9 

v7.9.0-j9

v7.10.4-j9