Sorting on column headers

[TheGhost78]

The arrow's dark blue colour doesn't work well with dark mode - use a lighter shade of blue.

Use blue for ascending and another colour for descending.

When clicking on the column header to sort, automatically scroll to the top of the list (as if pressing the Home key).

[TheGhost78]

When clicking on the column header to sort, automatically scroll to the top of the list (as if pressing the Home key) - but keep the files selected.