Make order in treeview consistent.

src/tree_view.rs

@@ -46,6 +46,10 @@ impl TreeView {
 
             to_ret.push(node);
         }
+
+        // Make the order of same id'd (named) entries consistent.
+        to_ret.sort_by(|a, b| a.id.cmp(&b.id));
+
         return Ok(to_ret);
     }