Clear values from the dropdown field in JSM Forms

Issue Summary

There is no option to clear the choice once it's selected in the Form on the customer portal:

For the JSM dropdown custom field (not in Forms) there is an option to clear the choice:

Steps to Reproduce

1. Create a dropdown field in the Forms
2. Configure multiple choices
3. Go to the customer portal and select one choice

Expected Results

• It's expected to have a clear option to erase a choice

Actual Results

• There is no clear choice option

Workaround

1. Refresh the browser page which will clear all the fields on the form including the affected dropdown field
2. Create a choice with the word "blank" or "empty"