message: Handle OSC command '1' (Set Icon Name)
diff: @@ -560,6 +560,10 @@ impl<'a, H, W> vte::Perform for Performer<'a, H, W>
  }
  },
  + // Set icon name
  + // This is ignored, since alacritty has no concept of tabs
  + b'1' => return,
  +
  // Set color index
  b'4' => {
  if params.len() < 3 {
  