Results are reversed

[wooorm]

Subject of the issue

To find stuff before, we walk back, and add nodes in the order they are found. That doesn’t make sense: results should be in the order they exist in the tree.

Your environment

n/a

Steps to reproduce

See readme: https://github.com/syntax-tree/unist-util-find-all-before#use

Expected behavior

Leaf 1 then 4.

Actual behavior

Leaf 4 then 1.