websocketserver: Replace implicit lamda captures for C++20

Author: RytoEX

src/websocketserver/WebSocketServer.cpp

@@ -349,7 +349,7 @@ void WebSocketServer::onMessage(websocketpp::connection_hdl hdl,
 {
 	auto opCode = message->get_opcode();
 	std::string payload = message->get_payload();
-	_threadPool.start(Utils::Compat::CreateFunctionRunnable([=]() {
+	_threadPool.start(Utils::Compat::CreateFunctionRunnable([hdl, payload, opCode, this]() {
 		std::unique_lock<std::mutex> lock(_sessionMutex);
 		SessionPtr session;
 		try {

src/websocketserver/WebSocketServer_Protocol.cpp

@@ -359,7 +359,7 @@ void WebSocketServer::BroadcastEvent(uint64_t requiredIntent, const std::string
 	if (!_server.is_listening() || !_obsReady)
 		return;
 
-	_threadPool.start(Utils::Compat::CreateFunctionRunnable([=]() {
+	_threadPool.start(Utils::Compat::CreateFunctionRunnable([eventType, requiredIntent, eventData, rpcVersion, this]() {
 		// Populate message object
 		json eventMessage;
 		eventMessage["op"] = 5;