Fix line indicator damage computation

The starting point of damage should be computed from the right side
of the terminal, not from the starting point of line indicator.

alacritty/src/display/mod.rs

@@ -869,8 +869,9 @@ impl Display {
 
  // Damage the maximum possible length of the format text, which could be achieved when
  // using `MAX_SCROLLBACK_LINES` as current and total lines adding a `3` for formatting.
- const MAX_LEN: usize = num_digits(MAX_SCROLLBACK_LINES) + 3;
- self.damage_from_point(Point::new(0, point.column - MAX_LEN), MAX_LEN as u32 * 2);
+ const MAX_SIZE: usize = 2 * num_digits(MAX_SCROLLBACK_LINES) + 3;
+ let damage_point = Point::new(0, Column(size_info.columns().saturating_sub(MAX_SIZE)));
+ self.damage_from_point(damage_point, MAX_SIZE as u32);
 
  let colors = &config.colors;
  let fg = colors.line_indicator.foreground.unwrap_or(colors.primary.background);