Reimplement checkered background rendering (#4034)

* Reimplement background checkerboard rendering

editor/src/messages/portfolio/document/graph_operation/graph_operation_message.rs

@@ -4,8 +4,8 @@ use crate::messages::portfolio::document::utility_types::network_interface::Node
 use crate::messages::prelude::*;
 use glam::{DAffine2, DVec2};
 use graph_craft::document::NodeId;
+use graphene_std::Color;
 use graphene_std::brush::brush_stroke::BrushStroke;
-use graphene_std::color::Color;
 use graphene_std::raster::BlendMode;
 use graphene_std::raster_types::Image;
 use graphene_std::subpath::Subpath;

editor/src/node_graph_executor.rs

@@ -417,6 +417,7 @@ impl NodeGraphExecutor {
 			click_targets,
 			clip_targets,
 			vector_data,
+			backgrounds: _,
 		} = render_output.metadata;
 
 		// Run these update state messages immediately