Handle the data change event to enable the save and close button.

def save_and_close_enable(self):
        """Handle the data change event to enable the save and close button."""
        if self.btn_save_and_close:
            self.btn_save_and_close.setEnabled(True)
            self.btn_save_and_close.setAutoDefault(True)
            self.btn_save_and_close.setDefault(True)