Changed underlying directory attribute to webkitdirectory, fixed attribute parsing to properly toggle it.

packages/interpreter/src/sledgehammer_bindings.rs

@@ -143,10 +143,10 @@ mod js {
         autofocus: true,
         autoplay: true,
         checked: true,
-        directory: true,
         controls: true,
         default: true,
         defer: true,
+        directory: true,
         disabled: true,
         formnovalidate: true,
         hidden: true,