### Tested versions

v4.2.stable.official [46dc27791]

### System information

Windows 11- Godot v4.2.stable.official [46dc27791] - Vulkan (Forward+)

### Issue description

When I switch picker mode the next time I open it should be the pick mode I selected last time but it's not

https://github.com/godotengine/godot/assets/46812028/522c8b55-14cf-4781-963f-a465a03c9432



### Steps to reproduce

Toggle a picker mode off and on again

### Minimal reproduction project (MRP)

N/A
if (p_idx < SLIDER_COUNT) {
		return sliders[p_idx];
	}
	return alpha_slider;
}
Vector<float> ColorPicker::get_active_slider_values() {
	Vector<float> cur_values;
	for (int i = 0; i < current_slider_count; i++) {
		cur_values.push_back(sliders[i]->get_value());
	}
	cur_values.push_back(alpha_slider->get_value());
	return cur_values;
}
void ColorPicker::_copy_color_to_hsv() {
	if (_get_actual_shape() == SHAPE_OKHSL_CIRCLE) {
		h = color.get_ok_hsl_h();
		s = color.get_ok_hsl_s();
		v = color.get_ok_hsl_l();
	} else {
		h = color.get_h();
		s = color.get_s();
		v = color.get_v();
	}
}
void ColorPicker::_copy_hsv_to_color() {