Fixed bug that open event won't be executed after handshake right now. (#2210)

* fix:协程模式onOpen事件触发延迟

* Optimized code.

Co-authored-by: 李铭昕 <[email protected]>

Author: boyfoo

src/Server.php

@@ -257,12 +257,18 @@ public function onClose($server, int $fd, int $reactorId): void
      */
     protected function deferOnOpen(SwooleRequest $request, string $class, $server)
     {
-        defer(function () use ($request, $class, $server) {
+        $onOpen = function () use ($request, $class, $server) {
             $instance = $this->container->get($class);
             if ($instance instanceof OnOpenInterface) {
                 $instance->onOpen($server, $request);
             }
-        });
+        };
+
+        if ($server instanceof SwooleResponse) {
+            $onOpen();
+        } else {
+            defer($onOpen);
+        }
     }
 
     /**