adjust to changes in gix-index

Author: Byron

gix-worktree/src/index/status/worktree.rs

@@ -73,10 +73,10 @@ where
         options.thread_limit,
         None,
     );
-    let path_backing = index.path_backing.as_slice();
+    let (entries, path_backing) = index.entries_mut_and_pathbacking();
     in_parallel_if(
         || true, // TODO: heuristic: when is parallelization not worth it?
-        index.entries.chunks_mut(chunk_size),
+        entries.chunks_mut(chunk_size),
         thread_limit,
         {
             let options = &options;

gix-worktree/tests/worktree/index/status.rs

@@ -164,7 +164,7 @@ fn racy_git() {
     // change.
     // This case doesn't happen in the realworld (except for file corruption) but
     // makes sure we are actually hitting the right codepath.
-    index.entries[0].stat.mtime.secs = timestamp;
+    index.entries_mut()[0].stat.mtime.secs = timestamp;
     set_file_mtime(worktree.join("content"), FileTime::from_unix_time(timestamp as i64, 0))
         .expect("changing filetime works");
     let mut recorder = Recorder::default();