Refactor ls-tree and git path related problems (#35858)

Fix #35852, the root problem is that the "name" field is heavily abused
(since #6816, and no way to get a clear fix)

There are still a lot of legacy problems in old code.

Co-authored-by: Giteabot <teabot@gitea.io>

modules/git/commit_info_test.go

@@ -173,7 +173,6 @@ func BenchmarkEntries_GetCommitsInfo(b *testing.B) {
 		} else if entries, err = commit.Tree.ListEntries(); err != nil {
 			b.Fatal(err)
 		}
-		entries.Sort()
 		b.ResetTimer()
 		b.Run(benchmark.name, func(b *testing.B) {
 			for b.Loop() {