recursively get file size for directories

frontend/composables/useWarrenPath.ts

@@ -1,9 +1,9 @@
-export function useWarrenPath() {
+export function useWarrenPath(): { warrenId: string; path: string } | null {
     const store = useWarrenStore();
 
     if (store.current == null) {
         return null;
     }
 
-    return `${store.current.warrenId}${store.current.path}`;
+    return { warrenId: store.current.warrenId, path: store.current.path };
 }