feature: Add scroll detection for NodeDescription overflow and remove feature flag (#3676)

* feat: Add scroll detection for NodeDescription overflow

* style: update CSS to hide non-selected note nodes

* remove feature flag

* [autofix.ci] apply automated fixes

* refactor: update feature flags and test IDs

- Update ENABLE_MVPS flag to false in feature-flags.ts
- Update testId from "extended-disclosure" to "bundle-extended-disclosure" in extraSidebarComponent/index.tsx

---------

Co-authored-by: autofix-ci[bot] <114827586+autofix-ci[bot]@users.noreply.github.com>

src/frontend/src/CustomNodes/NoteNode/index.tsx

@@ -33,7 +33,6 @@ function NoteNode({
       });
     }
   }, []);
-
   const MemoNoteToolbarComponent = useMemo(
     () => (
       <NodeToolbar>
@@ -69,7 +68,7 @@ function NoteNode({
         ref={nodeDiv}
         className={cn(
           "flex h-full w-full flex-col gap-3 rounded-md border border-b p-5 transition-all",
-          selected ? "" : "shadow-sm",
+          selected ? "" : "-z-50 shadow-sm",
         )}
       >
         <div className="flex h-fit w-full items-center align-middle">
@@ -92,7 +91,6 @@ function NoteNode({
             width: size.width,
             height: size.height,
           }}
-          className="nowheel overflow-auto"
         >
           <NodeDescription
             inputClassName="border-0 ring-transparent resize-none rounded-none shadow-none h-full w-full"