Variables Updated to Mandatory After Assigning User on TaskIssueWhen a user is assigned to a task, the variables are updated and more variables are displayed, making them mandatory. This occurs even when the variables were previously few and not required.Steps to Reproduce1. Go to any task.2. See the variables are few and not required.3. On the assigned_to field, assign any person.4. Go back to variables and see the variables are updated and more variables are displayed.CauseThere is a custom UI policy that is causing the issue. The custom UI policy is set up to make certain variables mandatory when a user is assigned to a task.Resolution1. Go to the custom UI policy2. Disable the UI policy.3. Do cache.do.4. Go back again to the sctask and assign a user, and nothing should happen to the variables.