message: false is a string
diff: @@ -207,7 +207,7 @@ export function uploadFiles (fetcher, files, fileBase, imageBase, successHandler
  } else {
  const extension = mime.extension(theFile.type)
  // Note not simple: eg .mp3 => audio/mpeg; .mpga => audio/mpeg; audio/mp3 => .mp3
  - if (extension && !theFile.name.endsWith('.' + extension) && // Not already has preferred extension? and ...
  + if (extension && extension !== 'false' && !theFile.name.endsWith('.' + extension) && // Not already has preferred extension? and ...
  theFile.type !== mime.lookup(theFile.name)) { // the mime type of this ext is not the right one?
  suffix = '_.' + extension
  // console.log('MIME TYPE MISMATCH: ' + mime.lookup(theFile.name) + ': adding extension: ' + suffix)
  