Disable preprocessor insertion of IntoNodes in the graph to avoid intermittent math node type errors (#2802)

Disable insertion of into nodes into the graph

editor/src/node_graph_executor/runtime.rs

@@ -227,9 +227,7 @@ impl NodeRuntime {
 	}
 
 	async fn update_network(&mut self, mut graph: NodeNetwork) -> Result<ResolvedDocumentNodeTypesDelta, String> {
-		if cfg!(not(test)) {
+		preprocessor::expand_network(&mut graph, &self.substitutions);
-			preprocessor::expand_network(&mut graph, &self.substitutions);
-		}
 
 		let scoped_network = wrap_network_in_scope(graph, self.editor_api.clone());
 

node-graph/preprocessor/src/lib.rs

@@ -61,7 +61,7 @@ pub fn generate_node_substitutions() -> HashMap<String, DocumentNode> {
 				(
 					NodeId(i as u64),
 					match inputs.len() {
-						1 => {
+						1 if false => {
 							let input = inputs.iter().next().unwrap();
 							let input_ty = input.nested_type();