PrettyPageHandler: fix scrolling too far, fixup 7376a42
PrettyPageHandler: fix scrolling too far, fixup 7376a42

Co-authored-by: jonathan <cdf3204d75517fdf899179f9ba59b5638473aa41@gmail.com>

michabbb-backup/whoops,filp/whoops,michabbb-backup/whoops,filp/whoops