Fix: AsyncResponseStream could cause a 1 sec delay...

...and eventually trigger the watchdog in case maxLen is greater than the remaining bytes in the buffer, read with readBytes

Author: mathieucarbou

src/WebResponses.cpp

@@ -820,6 +820,7 @@ AsyncResponseStream::AsyncResponseStream(const char *contentType, size_t bufferS
   _code = 200;
   _contentLength = 0;
   _contentType = contentType;
+  _content.setTimeout(0);  // because readBytes() includes a timed read which waits for data for 1 sec by default if length > data in buffer
   if (!_content.reserve(bufferSize)) {
 #ifdef ESP32
     log_e("Failed to allocate");