In Jira 8.4.2, cannot set a Test Status as Final

In Jira 8.4.2, cannot set a Test Status as Final

Steps to reproduce:

Use Jira 8.4.2 and Xray 3.5.1

• Go to Xray Settings
• Manage Test Status
• Create/edit a Custom Test Status
• Click on the checkbox to turn it Final
• The checkbox does not allow

Workaround: click before "is final" and the checkbox is checked.