### 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
wheel_shader.unref();
	circle_shader.unref();
	circle_ok_color_shader.unref();
}
void ColorPicker::set_focus_on_line_edit() {
	c_text->call_deferred(SNAME("grab_focus"));
}
void ColorPicker::_update_controls() {
	int mode_sliders_count = modes[current_mode]->get_slider_count();
	for (int i = current_slider_count; i < mode_sliders_count; i++) {
		sliders[i]->show();
		labels[i]->show();
		values[i]->show();
	}
	for (int i = mode_sliders_count; i < current_slider_count; i++) {
		sliders[i]->hide();
		labels[i]->hide();
		values[i]->hide();
	}
	current_slider_count = mode_sliders_count;
	for (int i = 0; i < current_slider_count; i++) {
		labels[i]->set_text(modes[current_mode]->get_slider_label(i));
	}
	alpha_label->set_text("A");
	slider_theme_modified = modes[current_mode]->apply_theme();
	if (edit_alpha) {
		alpha_value->show();
		alpha_slider->show();
		alpha_label->show();
	} else {