fix: respect platform line endings in rustfmt - #3016

fix: respect platform line endings in rustfmt#3016

CAOShurong wants to merge 1 commit into

gitui-org:mastergitui-org/gitui:masterfrom

CAOShurong:codex/1936-rustfmt-newline-autoCAOShurong/gitui:codex/1936-rustfmt-newline-autoCopy head branch name to clipboard