### 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
set_zoom(1);
}
void GraphEdit::_zoom_plus() {
	set_zoom(zoom * zoom_step);
}
void GraphEdit::_update_zoom_label() {
	int zoom_percent = static_cast<int>(Math::round(zoom * 100));
	String zoom_text = itos(zoom_percent) + "%";
	zoom_label->set_text(zoom_text);
}
void GraphEdit::add_valid_connection_type(int p_type, int p_with_type) {
	ConnType ct(p_type, p_with_type);
	valid_connection_types.insert(ct);
}
void GraphEdit::remove_valid_connection_type(int p_type, int p_with_type) {
	ConnType ct(p_type, p_with_type);
	valid_connection_types.erase(ct);
}
bool GraphEdit::is_valid_connection_type(int p_type, int p_with_type) const {
	ConnType ct(p_type, p_with_type);
	return valid_connection_types.has(ct);
}
void GraphEdit::set_use_snap(bool p_enable) {
	if (snap_button->is_pressed() == p_enable) {
		return;
	}
	snap_button->set_pressed(p_enable);
	queue_redraw();
}
bool GraphEdit::is_using_snap() const {