### Godot version

f73cb4c13d1bc19b044fbef735522e3b0249e8ab

### System information

Windows 10, Vulkan

### Issue description

A CSGPolygon3D node with 'use_collision' on, in Path mode, with a path node assigned, throws the error "Node3D::get_global_transform: Condition "!is_inside_tree()" is true. Returning: Transform3D()" when running (and in some cases when switching scenes).

![image](https://user-images.githubusercontent.com/115422160/211907313-20742234-4a1f-4d94-b573-544b8e1d07ca.png)

~~In this same MRP you can also see a different error, when switching between scenes in the editor, that I've mentioned in https://github.com/godotengine/godot/issues/58869, I can open a separate issue if needed:~~
I've opened a separate issue for this in https://github.com/godotengine/godot/issues/71750.
![image](https://user-images.githubusercontent.com/115422160/211907528-1df7230e-6270-4669-bf44-2ef449eebf1d.png)



### Steps to reproduce

Run the MRP. It's a simple Node3D scene with a CSGPolygon3D and Path3D as children.

### Minimal reproduction project

[transform bug.zip](https://github.com/godotengine/godot/files/10395682/transform.bug.zip)

return path_u_distance;
}
void CSGPolygon3D::set_spin_degrees(const float p_spin_degrees) {
	ERR_FAIL_COND(p_spin_degrees < 0.01 || p_spin_degrees > 360);
	spin_degrees = p_spin_degrees;
	_make_dirty();
	update_gizmos();
}
float CSGPolygon3D::get_spin_degrees() const {
	return spin_degrees;
}
void CSGPolygon3D::set_spin_sides(int p_spin_sides) {
	ERR_FAIL_COND(p_spin_sides < 3);
	spin_sides = p_spin_sides;
	_make_dirty();
	update_gizmos();
}
int CSGPolygon3D::get_spin_sides() const {
	return spin_sides;
}
void CSGPolygon3D::set_path_node(const NodePath &p_path) {
	path_node = p_path;
	_make_dirty();
	update_gizmos();
}
NodePath CSGPolygon3D::get_path_node() const {
	return path_node;
}
void CSGPolygon3D::set_path_interval_type(PathIntervalType p_interval_type) {