message: Fix mouse reports
  The patch has introduced a regression which would abort if a
  mouse report's line was bigger than zero, which is the exact opposite of
  when a mouse report is required.
  Fixes
diff: @@ -421,7 +421,7 @@ impl<T: EventListener, A: ActionContext<T>> Processor<T, A> {
  let point = self.ctx.mouse().point(&self.ctx.size_info(), display_offset);
  // Assure the mouse point is not in the scrollback.
  - if point.line >= 0 {
  + if point.line < 0 {
  return;
  }
  