          self._tk_vars: dict[str, tk.StringVar] = {}
  
          self._options = {
              "color": app._patch.converter.cli_arguments.color_adjustment.replace("-", "_"),
              "mask_type": app._patch.converter.cli_arguments.mask_type.replace("-", "_")}
          defaults = {opt: self._format_to_display(val)
                      for opt, val in self._options.items()}
          self._busy_bar = self._build_frame(defaults,
                                             app._samples.generate,
                                             app._refresh,
                                             app._samples.available_masks,
 
</s> remove                 choices = PluginLoader.get_available_convert_plugins(opt, True)
            cp_option = ControlPanelOption(title=opt,
                                           dtype=str,
                                           default=defaults[opt],
                                           initial_value=defaults[opt],
                                           choices=choices,
                                           group="Command Line Choices",
                                           is_radio=False)
 </s> add                 if opt == "mask_type":
                    choices = self._create_mask_choices(defaults,
                                                        available_masks,
                                                        has_predicted_mask)
                else:
                    choices = PluginLoader.get_available_convert_plugins(opt, True)
                cp_option = ControlPanelOption(title=opt,
                                               dtype=str,
                                               default=defaults[opt],
                                               initial_value=defaults[opt],
                                               choices=choices,
                                               group="Command Line Choices",
                                               is_radio=False) </s> remove             if opt == "mask_type":
                choices = self._create_mask_choices(defaults, available_masks, has_predicted_mask)
 </s> add             if opt == "face_scale":
                cp_option = ControlPanelOption(title=opt,
                                               dtype=float,
                                               default=0.0,
                                               rounding=2,
                                               min_max=(-10., 10.),
                                               group="Command Line Choices") </s> remove         return {opt if opt != "color" else "color_adjustment":
                self._format_from_display(self._tk_vars[opt].get())
                for opt in self._options}
 </s> add         retval = {opt if opt != "color" else "color_adjustment":
                  self._format_from_display(self._tk_vars[opt].get())
                  for opt in self._options if opt != "face_scale"}
        retval["face_scale"] = self._tk_vars["face_scale"].get()
        return retval </s> remove #: lib/cli/args.py:1147
 </s> add #: lib/cli/args.py:1158 </s> remove #: lib/cli/args.py:1140
 </s> add #: lib/cli/args.py:1151
            "mask_type": app._patch.converter.cli_arguments.mask_type.replace("-", "_"),
            "face_scale": app._patch.converter.cli_arguments.face_scale}
        defaults = {opt: self._format_to_display(val) if opt != "face_scale" else val
          self._tk_vars: dict[str, tk.StringVar] = {}
  
          self._options = {
              "color": app._patch.converter.cli_arguments.color_adjustment.replace("-", "_"),
            "mask_type": app._patch.converter.cli_arguments.mask_type.replace("-", "_"),
            "face_scale": app._patch.converter.cli_arguments.face_scale}
        defaults = {opt: self._format_to_display(val) if opt != "face_scale" else val
            "mask_type": app._patch.converter.cli_arguments.mask_type.replace("-", "_"),
            "face_scale": app._patch.converter.cli_arguments.face_scale}
        defaults = {opt: self._format_to_display(val) if opt != "face_scale" else val
                      for opt, val in self._options.items()}
          self._busy_bar = self._build_frame(defaults,
                                             app._samples.generate,
                                             app._refresh,
                                             app._samples.available_masks,
keep keep keep keep replace replace keep keep keep keep keep
 Convert: Add face scale option 
tools/preview/control_panels.py