Issue Summary

Jira form field with a default choice for a checkbox field allows to un-check it , however once we submit it accepts the default choice configured. 

The issue is not reproducible while creating issue form Jira issue view and portal view

Steps to Reproduce

1. Create a Form Field of Type Checkbox , lets name it "Check"
2. Add a Default Choice to the CheckBox field.
3. Turn on "Create a sharable link" and select Request Type.
4. Copy Link, and paste URL to Browser URL.
5. Fill out the form and Uncheck the CheckBox field "Check" with Default value ( make sure it's not selected ) - submit the form , create the issue.

Expected Results

The submitted form should allow selecting a blank choice.

Actual Results

The submitted form selects the Default Choice 

Workaround

• Set "Default response" blank.