fixed duplicate note in newsfeed and minor fixes

src/stores/note.tsx

@@ -1,7 +1,15 @@
 import { atom } from 'jotai';
 import { atomWithReset } from 'jotai/utils';
 
+// notes
+export const notesAtom = atom([]);
+export const filteredNotesAtom = atom((get) => {
+  const notes = get(notesAtom);
+  return notes.filter((item, index) => index === notes.findIndex((other) => item.parent_id === other.parent_id));
+});
+
 // note content
 export const noteContentAtom = atomWithReset('');
+
 // notify user that connector has receive newer note
 export const hasNewerNoteAtom = atom(false);