Fixes #13976 - override checkbox in smart class parameter doesn't uncheck other checkboxes
(cherry picked from commit dba5afe0f39748ea8dafad88a7da046a6aab5c9a)
Fixes #13976 - override checkbox in smart class parameter doesn't uncheck other checkboxes
(cherry picked from commit dba5afe0f39748ea8dafad88a7da046a6aab5c9a)