### 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
ADD_SIGNAL(MethodInfo("delete_nodes_request", PropertyInfo(Variant::ARRAY, "nodes", PROPERTY_HINT_ARRAY_TYPE, "StringName")));
	ADD_SIGNAL(MethodInfo("begin_node_move"));
	ADD_SIGNAL(MethodInfo("end_node_move"));
	ADD_SIGNAL(MethodInfo("scroll_offset_changed", PropertyInfo(Variant::VECTOR2, "offset")));
	ADD_SIGNAL(MethodInfo("connection_drag_started", PropertyInfo(Variant::STRING_NAME, "from_node"), PropertyInfo(Variant::INT, "from_port"), PropertyInfo(Variant::BOOL, "is_output")));
	ADD_SIGNAL(MethodInfo("connection_drag_ended"));
	BIND_ENUM_CONSTANT(SCROLL_ZOOMS);
	BIND_ENUM_CONSTANT(SCROLL_PANS);
}
GraphEdit::GraphEdit() {
	set_focus_mode(FOCUS_ALL);
	
	
	
	zoom_min = (1 / Math::pow(zoom_step, 8));
	
	zoom_max = (1 * Math::pow(zoom_step, 4));
	panner.instantiate();
	panner->set_callbacks(callable_mp(this, &GraphEdit::_pan_callback), callable_mp(this, &GraphEdit::_zoom_callback));
	top_layer = memnew(GraphEditFilter(this));
	add_child(top_layer, false, INTERNAL_MODE_BACK);
	top_layer->set_mouse_filter(MOUSE_FILTER_PASS);
	top_layer->set_anchors_and_offsets_preset(Control::PRESET_FULL_RECT);
	top_layer->connect("draw", callable_mp(this, &GraphEdit::_top_layer_draw));
	top_layer->connect("gui_input", callable_mp(this, &GraphEdit::_top_layer_input));
	top_layer->connect("focus_exited", callable_mp(panner.ptr(), &ViewPanner::release_pan_key));
	connections_layer = memnew(Control);
	add_child(connections_layer, false, INTERNAL_MODE_FRONT);
	connections_layer->connect("draw", callable_mp(this, &GraphEdit::_connections_layer_draw));
	connections_layer->set_name("CLAYER");