fix(core): port conflicts

Author: antfu

packages/core/src/node/ws.ts

@@ -26,9 +26,9 @@ const ANONYMOUS_SCOPE = 'vite:anonymous:'
 
 export async function createWsServer(options: CreateWsServerOptions) {
   const rpcHost = options.context.rpc as unknown as RpcFunctionsHost
-  const port = options.portWebSocket ?? await getPort({ port: 7812, random: true })!
   const host = options.hostWebSocket ?? 'localhost'
   const https = options.context.viteConfig.server.https
+  const port = options.portWebSocket ?? await getPort({ port: 7812, host, random: true })!
 
   const wsClients = new Set<WebSocket>()