message: fix(frontend fileimports): fix file extension detection in TheUploads
  fix
diff: @@ -219,7 +219,7 @@ export default {
  this.dragover = false
  this.dragError = null
  for (const file of files) {
  - const extension = file.name.split('.')[1]
  + const extension = file.name.split('.').at(-1)
  if (
  !extension ||
  !['ifc', 'stl', 'obj', 'mtl'].includes(extension.toLowerCase())
  