Switch to JdkIdGenerator in AbstractWebSocketSession

Closes gh-36740

Author: rstoyanchev

spring-websocket/src/main/java/org/springframework/web/socket/adapter/AbstractWebSocketSession.java

@@ -24,9 +24,9 @@
 import org.apache.commons.logging.LogFactory;
 import org.jspecify.annotations.Nullable;
 
-import org.springframework.util.AlternativeJdkIdGenerator;
 import org.springframework.util.Assert;
 import org.springframework.util.IdGenerator;
+import org.springframework.util.JdkIdGenerator;
 import org.springframework.web.socket.BinaryMessage;
 import org.springframework.web.socket.CloseStatus;
 import org.springframework.web.socket.PingMessage;
@@ -44,7 +44,7 @@
  */
 public abstract class AbstractWebSocketSession<T> implements NativeWebSocketSession {
 
-	protected static final IdGenerator idGenerator = new AlternativeJdkIdGenerator();
+	protected static final IdGenerator idGenerator = new JdkIdGenerator();
 
 	protected static final Log logger = LogFactory.getLog(NativeWebSocketSession.class);