New note is placed incorrectly with reversed sorting

[citomcclure]

Description

When reversed sorting is applied, new notes are still added to the top of the note previews list. This is because in ViewNotes.createNote(), we have:

// Add new note in datastore
const notes = await this.dataStore.get('notes');
notes.unshift(newNote);
this.dataStore.set('notes', notes);

Steps to Reproduce

1. Have more than one note
2. Change Sort By to "Oldest First"
3. Click "New Note"

Recommended Fix

Create datastore state for sort, which can be accessed by methods like createNote() to determine if new note is added to the beginning or end of the list.