fix z-index issue

src/shared/notes/kinds/sub.tsx

@@ -27,9 +27,9 @@ export function SubNote({ id, root }: { id: string; root?: string }) {
       <div className="absolute bottom-0 left-[18px] h-[calc(100%-3.4rem)] w-0.5 bg-gradient-to-t from-white/20 to-white/10" />
       <div className="mb-5 flex flex-col">
         <User pubkey={data.pubkey} time={data.created_at} />
-        <div className="relative z-20 -mt-6 flex items-start gap-3">
+        <div className="-mt-6 flex items-start gap-3">
           <div className="w-11 shrink-0" />
-          <div className="flex-1">
+          <div className="relative z-20 flex-1">
             <NoteContent content={data.content} long={data.kind === 30023} />
             <NoteActions id={data.event_id} pubkey={data.pubkey} root={root} />
           </div>