quic: allow .connect() when socket is already bound

PR-URL: nodejs#165
Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Daniel Bevenius <daniel.bevenius@gmail.com>

Author: addaleax

lib/internal/quic/core.js

@@ -910,13 +910,18 @@ class QuicSocket extends EventEmitter {
     if (typeof callback === 'function')
       session.on('ready', callback);
 
-    this[kMaybeBind](
-      connectAfterBind.bind(
-        this,
-        session,
-        this.#lookup,
-        address,
-        getSocketType(type)));
+    const afterBind =
+        connectAfterBind.bind(
+          this,
+          session,
+          this.#lookup,
+          address,
+          getSocketType(type));
+    if (this.#state === kSocketBound) {
+      afterBind();
+    } else {
+      this[kMaybeBind](afterBind);
+    }
 
     return session;
   }