### Godot version

4.0 beta 10, mono edition

### System information

Windows 11

### Issue description

No matter what I do Project Camera Override can never detect a game instance.

![image](https://user-images.githubusercontent.com/13719743/209912444-541f642a-42d3-4860-a4e0-54a17dbbab0b.png)

Of relevance: I can see remote nodes. I can see the output in the console. I can see the output in my IDE of choice (Rider). I can toggle debug mode.

It's just the camera that is unable to detect the game instance.

### Steps to reproduce

This happens everywhere, including on a brand new projects where the only nodes are a 2d camera and the Godot svg icon for testing. This also seems to happen when not using Rider as a third party editor.

### Minimal reproduction project

N/A
Ref<InputEventMouseButton> b = p_event;
	Ref<InputEventMouseMotion> m = p_event;
	Ref<InputEventKey> k = p_event;
	if (drag_type == DRAG_NONE) {
		if (b.is_valid() && b->is_pressed() &&
				((b->get_button_index() == MouseButton::RIGHT && b->is_alt_pressed() && tool == TOOL_SELECT) ||
						(b->get_button_index() == MouseButton::LEFT && tool == TOOL_LIST_SELECT))) {
			
			Point2 click = transform.affine_inverse().xform(b->get_position());
			_get_canvas_items_at_pos(click, selection_results, b->is_alt_pressed() && tool == TOOL_SELECT);