Support absolute disabled_globs (#25755)

Closes: #25556

We were always comparing `disabled_globs` against the relative file
path, we'll now use the absolute path if the glob is also absolute.

Release Notes:

- Support absolute globs in `edit_predictions.disabled_globs`

crates/editor/src/items.rs

@@ -1739,6 +1739,7 @@ mod tests {
         let file = TestFile {
             path: Path::new("").into(),
             root_name: String::new(),
+            local_root: None,
         };
         assert_eq!(path_for_file(&file, 0, false, cx), None);
     }