message: bug: fix incorrect CPU colour offset
  Fixes an incorrect offset affecting the CPU colour when scrolling.
diff: @@ -364,10 +364,10 @@ impl CpuGraphWidget for Painter {
  cpu_string_row.into_iter(),
  if itx == offset_scroll_index {
  self.colours.currently_selected_text_style
  - } else if itx == ALL_POSITION {
  + } else if itx + start_position == ALL_POSITION {
  self.colours.all_colour_style
  } else if show_avg_cpu {
  - if itx == AVG_POSITION {
  + if itx + start_position == AVG_POSITION {
  self.colours.avg_colour_style
  } else {
  self.colours.cpu_colour_styles[itx + start_position
  