Make SanitizedPath wrap Path instead of Arc<Path> to avoid allocation (#37106)

Release Notes:

- N/A

crates/workspace/src/path_list.rs

@@ -26,7 +26,7 @@ impl PathList {
         let mut indexed_paths: Vec<(usize, PathBuf)> = paths
             .iter()
             .enumerate()
-            .map(|(ix, path)| (ix, SanitizedPath::from(path).into()))
+            .map(|(ix, path)| (ix, SanitizedPath::new(path).into()))
             .collect();
         indexed_paths.sort_by(|(_, a), (_, b)| a.cmp(b));
         let order = indexed_paths.iter().map(|e| e.0).collect::<Vec<_>>().into();

crates/workspace/src/workspace.rs

@@ -2576,7 +2576,7 @@ impl Workspace {
                 };
 
                 let this = this.clone();
-                let abs_path: Arc<Path> = SanitizedPath::from(abs_path.clone()).into();
+                let abs_path: Arc<Path> = SanitizedPath::new(&abs_path).as_path().into();
                 let fs = fs.clone();
                 let pane = pane.clone();
                 let task = cx.spawn(async move |cx| {