Form validation fails when creating a data registry purpose with an empty value for "Sensitive personal data processing reasons"

Log in as admin or as the Privacy Officer. Go to Site administration / Users / Privacy and policies / Data registry. Create a new purpose. Fill the required fields. Make sure that " Sensitive personal data processing reasons " is blank. Try to save the form. Confirm that the purpose is created. Repeat with various scenarios and confirm that the value for the " Sensitive data processing reasons " are being saved accordingly: Editing a purpose without " Sensitive personal data processing reasons " and selecting one or more reasons. Creating a purpose with " Sensitive personal data processing reasons " set. Editing a purpose with " Sensitive personal data processing reasons " and removing the reasons.