Fix quote posts being treated as replies

- When quotedEvent is present, don't pass event as replyTo in ComposeBox
- This ensures quote posts are published as kind 1 with q tags, not replies
- Repost (kind 6) was already working correctly

Co-authored-by: shakespeare.diy <assistant@shakespeare.diy>

src/components/ReplyComposeModal.tsx

@@ -56,7 +56,7 @@ export function ReplyComposeModal({ event, quotedEvent, open, onOpenChange }: Re
 
         {/* Compose area */}
         <ComposeBox
-          replyTo={event ?? undefined}
+          replyTo={isQuote ? undefined : (event ?? undefined)}
           quotedEvent={quotedEvent ?? undefined}
           onSuccess={() => onOpenChange(false)}
           placeholder={isReply ? "What's on your mind?" : isQuote ? "Add a comment..." : "What's happening?"}