Pass through correct status code in patched file uri fetch

src/index.ejs

@@ -14,7 +14,7 @@
               const req = new XMLHttpRequest()
               req.responseType = 'arraybuffer'
               req.onload = () => {
-                resolve(new Response(req.response, { status: 200, headers: { 'Content-Type': req.getResponseHeader('content-type') } }))
+                resolve(new Response(req.response, { status: req.status, headers: { 'Content-Type': req.getResponseHeader('content-type') } }))
               }
               req.onerror = (error) => {
                 reject(error)