btrfs: convert run_delalloc_compressed() to take a folio

btrfs: convert run_delalloc_compressed() to take a folio

This just passes the page into the compressed machinery to keep track of
the locked page.  Update this to take a folio and convert it to a page
where appropriate.

Signed-off-by: Josef Bacik <[email protected]>
Reviewed-by: David Sterba <[email protected]>
Signed-off-by: David Sterba <[email protected]>