### Godot version

4.1

### System information

Fedora, RX 590

### Issue description

Between 4.0.2 release and 4.0.3 RC1 the hotzone of the visual shader nodes have shrunk on the side that overlaps the node itself.
![Screenshot from 2023-06-22 12-14-19](https://github.com/godotengine/godot/assets/7917475/255feaf2-6e8c-4e7b-a1d9-0b86f28b1ec2)


### Steps to reproduce

Download 4.0.2 release and 4.0.3-rc1. 

Open MRP, navigate to hotzone.tres shader.

Zoom out to this level of zoom: 
![image](https://github.com/godotengine/godot/assets/7917475/5a3ffd5f-7760-4ced-a6aa-7861c2c1206f)

Try to extract a pin from ColorOp node.

In 4.0.3 you can observe how if you're not very precise you will drag the node around.

### Minimal reproduction project

[hotzone.zip](https://github.com/godotengine/godot/files/11832820/hotzone.zip)

if (updating) {
		return;
	}
	updating = true;
	set_block_minimum_size_adjust(true);
	Rect2 screen;
	for (int i = 0; i < get_child_count(); i++) {
		GraphNode *gn = Object::cast_to<GraphNode>(get_child(i));
		if (!gn) {
			continue;
		}
		Rect2 r;
		r.position = gn->get_position_offset() * zoom;
		r.size = gn->get_size() * zoom;
		screen = screen.merge(r);
	}
	screen.position -= get_size();