feat(): safer websocket timer cleanup

src/websocket-client.ts

@@ -808,11 +808,11 @@ export class WebsocketClient extends EventEmitter {
 
     const wasOpen = this.wsStore.isWsOpen(wsKey);
 
-    this.getWs(wsKey)?.terminate();
-    delete this.wsStore.get(wsKey, true).activePongTimer;
     this.clearPingTimer(wsKey);
     this.clearPongTimer(wsKey);
 
+    this.getWs(wsKey)?.terminate();
+
     if (!wasOpen) {
       this.logger.info(
         `${reason} - socket already closed - trigger immediate reconnect`,