Rewrite multi-buffer aware git hunks in range to be more correct

Less ad-hoc state tracking, rely more on values provided by the
underlying data

Co-Authored-By: Max Brunsfeld <max@zed.dev>
f88b413f6aJulia committed on 12/15/2022, 10:09:09 PMparent0dedc1f
3 files changedLine totals unavailable