### Godot version

4.0.dev(0810ecaafdbee3ea747219e6ab3a8de5d2216a09)

### System information

any

### Issue description

https://user-images.githubusercontent.com/61938263/215898051-8506b45e-a9d4-4c3f-b1b3-28f202dea67b.mp4



### Steps to reproduce

Editt AnimationBlendTree

### Minimal reproduction project

N/A
return minimap->get_size();
}
void GraphEdit::set_minimap_opacity(float p_opacity) {
	if (minimap->get_modulate().a == p_opacity) {
		return;
	}
	minimap->set_modulate(Color(1, 1, 1, p_opacity));
	minimap->queue_redraw();
}
float GraphEdit::get_minimap_opacity() const {
	Color minimap_modulate = minimap->get_modulate();
	return minimap_modulate.a;
}
void GraphEdit::set_minimap_enabled(bool p_enable) {
	if (minimap_button->is_pressed() == p_enable) {
		return;
	}
	minimap_button->set_pressed(p_enable);
	_minimap_toggled();
	minimap->queue_redraw();
}
bool GraphEdit::is_minimap_enabled() const {