bcachefs: Fix btree path sorting
Kent Overstreet authored

In btree_update_interior.c, we were changing a path's level directly -
which affects path sort order - without re-sorting paths, leading to
assertions when bch2_path_get() verified paths were sorted correctly.
Signed-off-by: default avatarKent Overstreet <kent.overstreet@gmail.com>
a0a07c59