fix occluders positions error under canvas_layer, close #32880

servers/visual/visual_server_viewport.cpp

@@ -184,7 +184,7 @@ void VisualServerViewport::_draw_viewport(Viewport *p_viewport, ARVRInterface::E
 			for (Map<RID, Viewport::CanvasData>::Element *E = p_viewport->canvas_map.front(); E; E = E->next()) {
 
 				VisualServerCanvas::Canvas *canvas = static_cast<VisualServerCanvas::Canvas *>(E->get().canvas);
-				Transform2D xf = p_viewport->global_transform * E->get().transform;
+				Transform2D xf = _canvas_get_transform(p_viewport, canvas, &E->get(), clip_rect.size);
 
 				for (Set<RasterizerCanvas::LightOccluderInstance *>::Element *F = canvas->occluders.front(); F; F = F->next()) {