### 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
if (lines_thickness == p_thickness) {
		return;
	}
	lines_thickness = p_thickness;
	queue_redraw();
}
float GraphEdit::get_connection_lines_thickness() const {
	return lines_thickness;
}
void GraphEdit::set_connection_lines_antialiased(bool p_antialiased) {
	if (lines_antialiased == p_antialiased) {
		return;
	}
	lines_antialiased = p_antialiased;
	queue_redraw();
}
bool GraphEdit::is_connection_lines_antialiased() const {
	return lines_antialiased;
}
HBoxContainer *GraphEdit::get_zoom_hbox() {
	return zoom_hb;
}
Ref<ViewPanner> GraphEdit::get_panner() {
	return panner;
}
void GraphEdit::set_warped_panning(bool p_warped) {
	warped_panning = p_warped;
}
int GraphEdit::_set_operations(SET_OPERATIONS p_operation, HashSet<StringName> &r_u, const HashSet<StringName> &r_v) {