### 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 zoom_min;
}
void GraphEdit::set_zoom_max(float p_zoom_max) {
	ERR_FAIL_COND_MSG(p_zoom_max < zoom_min, "Cannot set max zoom level lesser than min zoom level.");
	if (zoom_max == p_zoom_max) {
		return;
	}
	zoom_max = p_zoom_max;
	set_zoom(zoom);
}
float GraphEdit::get_zoom_max() const {
	return zoom_max;
}
void GraphEdit::set_show_zoom_label(bool p_enable) {
	if (zoom_label->is_visible() == p_enable) {
		return;
	}
	zoom_label->set_visible(p_enable);
}
bool GraphEdit::is_showing_zoom_label() const {
	return zoom_label->is_visible();
}
void GraphEdit::set_right_disconnects(bool p_enable) {
	right_disconnects = p_enable;
}
bool GraphEdit::is_right_disconnects_enabled() const {
	return right_disconnects;
}
void GraphEdit::add_valid_right_disconnect_type(int p_type) {