fix handleRequest re-dispatch

-Added re-dispatch logic inside SpringLambdaContainerHandler's handleRequest

aws-serverless-java-container-spring/src/main/java/com/amazonaws/serverless/proxy/spring/SpringLambdaContainerHandler.java

@@ -20,6 +20,7 @@
 import com.amazonaws.serverless.proxy.internal.servlet.*;
 import com.amazonaws.serverless.proxy.model.HttpApiV2ProxyRequest;
 import com.amazonaws.services.lambda.runtime.Context;
+import jakarta.servlet.AsyncContext;
 import org.springframework.web.context.ConfigurableWebApplicationContext;
 import org.springframework.web.servlet.DispatcherServlet;
 
@@ -160,9 +161,21 @@ protected void handleRequest(HttpServletRequest containerRequest, AwsHttpServlet
         // process filters
         Servlet reqServlet = ((AwsServletContext)getServletContext()).getServletForPath(containerRequest.getPathInfo());
         doFilter(containerRequest, containerResponse, reqServlet);
+        if(requiresAsyncReDispatch(containerRequest)) {
+            reqServlet = ((AwsServletContext)getServletContext()).getServletForPath(containerRequest.getPathInfo());
+            doFilter(containerRequest, containerResponse, reqServlet);
+        }
         Timer.stop("SPRING_HANDLE_REQUEST");
     }
 
+    private boolean requiresAsyncReDispatch(HttpServletRequest request) {
+        if (request.isAsyncStarted()) {
+            AsyncContext asyncContext = request.getAsyncContext();
+            return asyncContext instanceof AwsAsyncContext
+                    && ((AwsAsyncContext) asyncContext).isDispatchStarted();
+        }
+        return false;
+    }
 
     @Override
     public void initialize()