Dependencies based on boolean is not working as expected

[benjaminbours]

Prerequisites

• [x] I have read the documentation;
• [x] In the case of a bug report, I understand that providing a SSCCE example is tremendously useful to the maintainers.
• [x] Ideally, I'm providing a sample JSFiddle or a shared playground link demonstrating the issue.

Description

[Description of the bug or feature]

Property dependencies when using a checkbox / boolean is not working as expected. When it has never been checked, the behavior is ok, but when you uncheck it, the field is still required.

Related to #795

Steps to Reproduce

Expected behavior

I expect the field not to be required anymore when I uncheck the checkox.

Actual behavior

The field is still required after I unchecked the checkbox.

Version

Last version. Or the current online demo version.