### 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
}
				for (CanvasItem *E : selitems) {
					editor_selection->add_node(E);
				}
			}
			_reset_drag();
			viewport->queue_redraw();
			return true;
		}
		if (b.is_valid() && b->is_pressed() && b->get_button_index() == MouseButton::RIGHT) {
			
			_reset_drag();
			viewport->queue_redraw();
			return true;
		}
		if (m.is_valid()) {
			
			box_selecting_to = transform.affine_inverse().xform(m->get_position());
			viewport->queue_redraw();
			return true;
		}
	}
	if (k.is_valid() && k->is_pressed() && k->get_keycode() == Key::ESCAPE && drag_type == DRAG_NONE && tool == TOOL_SELECT) {
		
		editor_selection->clear();
		viewport->queue_redraw();
	}
	return false;
}
bool CanvasItemEditor::_gui_input_ruler_tool(const Ref<InputEvent> &p_event) {