message: fix ota debug
diff: @@ -3449,7 +3449,9 @@ void WiFiManager::WiFi_autoReconnect(){
  // Called when /update is requested
  void WiFiManager::handleUpdate() {
  + #ifdef WM_DEBUG_LEVEL
  DEBUG_WM(DEBUG_VERBOSE,F("<- Handle update"));
  + #endif
  if (captivePortal()) return; // If captive portal redirect instead of displaying the page
  String page = getHTTPHead(FPSTR(S_options)); // @token options
  String str = FPSTR(HTTP_ROOT_MAIN);
  @@ -3500,10 +3502,14 @@ void WiFiManager::handleUpdating(){
  maxSketchSpace = UPDATE_SIZE_UNKNOWN;
  #endif
  - Serial.printf("Update: %s\r\n", upload.filename.c_str());
  + #ifdef WM_DEBUG_LEVEL
  + DEBUG_WM(DEBUG_VERBOSE,"Update file: ", upload.filename.c_str());
  + #endif
  if (!Update.begin(maxSketchSpace)) { // start with max available size
  - DEBUG_WM(F("[OTA] Update ERROR"), Update.getError());
  + #ifdef WM_DEBUG_LEVEL
  + DEBUG_WM(DEBUG_ERROR,F("[ERROR] OTA Update ERROR"), Update.getError());
  + #endif
  error = true;
  Update.end(); // Not sure the best way to abort, I think client will keep sending..
  }
  @@ -3512,14 +3518,20 @@ void WiFiManager::handleUpdating(){
  else if (upload.status == UPLOAD_FILE_WRITE) {
  Serial.print(".");
  if (Update.write(upload.buf, upload.currentSize) != upload.currentSize) {
  - Update.printError(Serial); // write failure
  + #ifdef WM_DEBUG_LEVEL
  + DEBUG_WM(DEBUG_ERROR,F("[ERROR] OTA Update WRITE ERROR"), Update.getError());
  + //Update.printError(Serial); // write failure
  + #endif
  error = true;
  }
  }
  // UPLOAD FILE END
  else if (upload.status == UPLOAD_FILE_END) {
  if (Update.end(true)) { // true to set the size to the current progress
  - Serial.printf("Updated: %u bytes\r\nRebooting...\r\n", upload.totalSize);
  + #ifdef WM_DEBUG_LEVEL
  + DEBUG_WM(DEBUG_VERBOSE,F("[OTA] OTA FILE END bytes: "), upload.totalSize);
  + // Serial.printf("Updated: %u bytes\r\nRebooting...\r\n", upload.totalSize);
  + #endif
  }
  else {
  Update.printError(Serial);
  