fix BufferedTelnetStream

lib/BufferedTelnetStream/BufferedTelnetStream.h

@@ -1,13 +1,13 @@
 #pragma once
 #include "ESPTelnetStream.h"
-#include <StreamUtils.h>
 
 class BufferedTelnetStream : public ESPTelnetStream {
 public:
-  size_t write(const uint8_t* buffer, size_t size) {
-    WriteBufferingStream bufferedWifiClient{ client, 32 };
-    size_t _size = bufferedWifiClient.write((const char*) buffer);
-    bufferedWifiClient.flush();
-    return _size;
+  size_t write(const uint8_t* data, size_t size) override {
+    if (client && isConnected()) {
+      return client.write(data, size);
+    } else {
+      return 0;
+    }
   }
 };