Cleanup all members in SessionWrapper::recreateSessionWithUpdatedProx…

…yConfigurations

https://bugs.webkit.org/show_bug.cgi?id=259407
rdar://112679066

Reviewed by Chris Dumez.

266129@main reset some members of the SessionWrapper, but not all of them.
To prevent stale map entries, clear all the members at the same time.

* Source/WebKit/NetworkProcess/cocoa/NetworkSessionCocoa.mm:
(WebKit::SessionWrapper::recreateSessionWithUpdatedProxyConfigurations):

Canonical link: https://commits.webkit.org/266224@main

Source/WebKit/NetworkProcess/cocoa/NetworkSessionCocoa.mm

@@ -1345,9 +1345,16 @@ - (void)URLSession:(NSURLSession *)session webSocketTask:(NSURLSessionWebSocketT
     networkSession.applyProxyConfigurationToSessionConfiguration(configuration);
 #endif
 
+    [session invalidateAndCancel];
     [delegate sessionInvalidated];
     delegate = adoptNS([[WKNetworkSessionDelegate alloc] initWithNetworkSession:networkSession wrapper:*this withCredentials:withCredentials]);
     session = [NSURLSession sessionWithConfiguration:configuration delegate:delegate.get() delegateQueue:[NSOperationQueue mainQueue]];
+
+    dataTaskMap.clear();
+    downloadMap.clear();
+#if HAVE(NSURLSESSION_WEBSOCKET)
+    webSocketDataTaskMap.clear();
+#endif
 }
 
 void SessionWrapper::initialize(NSURLSessionConfiguration *configuration, NetworkSessionCocoa& networkSession, WebCore::StoredCredentialsPolicy storedCredentialsPolicy, NavigatingToAppBoundDomain isNavigatingToAppBoundDomain)