hopefully close rtc connection on ws gateway close

brainlet/api/v2/gateway/index.js

@@ -69,6 +69,9 @@ class GatewayServer extends EventEmitter {
             ws.on("pong", () => {
                 ws.alive = true;
             });
+            ws.on("close", async () => {
+                if (ws.rtc) await ws.rtc.close();
+            });
             ws.on("message", async (data) => {
                 try {
                     const message = parseMessage(data);