message: Fix resize behavior
  Should prevent the messed up background colors that appear in some
  situations (especially on tiling WMs).
diff: @@ -1024,7 +1024,7 @@ impl Term {
  debug!("num_cols, num_lines = {}, {}", num_cols, num_lines);
  // Resize grids to new size
  - let template = self.cursor.template;
  + let template = Cell::default();
  self.grid.resize(num_lines, num_cols, &template);
  self.alt_grid.resize(num_lines, num_cols, &template);
  