fix(server): use correct session ID string conversion method

Author: CodeWithKyrian

src/Server/ClientGateway.php

@@ -66,7 +66,7 @@ public function notify(Notification $notification): void
         \Fiber::suspend([
             'type' => 'notification',
             'notification' => $notification,
-            'session_id' => $this->session->getId()->toString(),
+            'session_id' => $this->session->getId()->toRfc4122(),
         ]);
     }
 
@@ -112,7 +112,7 @@ public function request(Request $request, int $timeout = 120): Response|Error
         $response = \Fiber::suspend([
             'type' => 'request',
             'request' => $request,
-            'session_id' => $this->session->getId()->toString(),
+            'session_id' => $this->session->getId()->toRfc4122(),
             'timeout' => $timeout,
         ]);
 

src/Server/Protocol.php

@@ -543,7 +543,7 @@ private function resolveSession(?Uuid $sessionId, array $messages): ?SessionInte
 
             $session = $this->sessionFactory->create($this->sessionStore);
             $this->logger->debug('Created new session for initialize', [
-                'session_id' => $session->getId()->toString(),
+                'session_id' => $session->getId()->toRfc4122(),
             ]);
 
             $this->transport->setSessionId($session->getId());