fix: fileinput placeholder (#740)

Author: lukasvinclav

src/unfold/static/unfold/js/app.js

@@ -124,7 +124,9 @@ const fileInputUpdatePath = () => {
     input.addEventListener("change", (e) => {
       const parts = e.target.value.split("\\");
       const placeholder =
-        input.parentNode.parentNode.querySelector("input[type=text]");
+        input.parentNode.parentNode.parentNode.querySelector(
+          "input[type=text]"
+        );
       placeholder.setAttribute("value", parts[parts.length - 1]);
     });
   });