fix: conditionally set status message for HTTP/2 compatibility

Author: jacob-briscoe

packages/react-router-dev/vite/node-adapter.ts

@@ -86,7 +86,11 @@ export function fromNodeRequest(
 // https://github.com/solidjs/solid-start/blob/7398163869b489cce503c167e284891cf51a6613/packages/start/node/fetch.js#L162-L185
 export async function toNodeRequest(res: Response, nodeRes: ServerResponse) {
   nodeRes.statusCode = res.status;
-  nodeRes.statusMessage = res.statusText;
+
+  // HTTP/2 doesn't support status messages (RFC7540 8.1.2.4)
+  if (!nodeRes.req || nodeRes.req.httpVersionMajor < 2) {
+    nodeRes.statusMessage = res.statusText;
+  }
 
   let cookiesStrings = [];