refactor(neon_notes): use presorting in the NotesView

Signed-off-by: Nikolas Rimikis <rimikis.nikolas@gmail.com>

packages/neon/neon_notes/lib/options.dart

@@ -108,6 +108,7 @@ enum DefaultNoteViewType {
 enum NotesSortProperty {
   lastModified,
   alphabetical,
+  favorite,
 }
 
 enum CategoriesSortProperty {

packages/neon/neon_notes/lib/sort/notes.dart

@@ -4,10 +4,14 @@ final notesSortBox = SortBox<NotesSortProperty, NotesNote>(
   {
     NotesSortProperty.alphabetical: (final note) => note.title.toLowerCase(),
     NotesSortProperty.lastModified: (final note) => note.modified,
+    NotesSortProperty.favorite: (final note) => note.favorite ? 0 : 1,
   },
   {
     NotesSortProperty.alphabetical: {
       (NotesSortProperty.lastModified, SortBoxOrder.descending),
     },
+    NotesSortProperty.lastModified: {
+      (NotesSortProperty.alphabetical, SortBoxOrder.ascending),
+    },
   },
 );

packages/neon/neon_notes/lib/widgets/notes_view.dart

@@ -15,32 +15,22 @@ class NotesView extends StatelessWidget {
         stream: bloc.notes,
         builder: (final context, final notes) => SortBoxBuilder<NotesSortProperty, NotesNote>(
           sortBox: notesSortBox,
+          presort: const {
+            (NotesSortProperty.favorite, SortBoxOrder.ascending),
+          },
           sortPropertyOption: bloc.options.notesSortPropertyOption,
           sortBoxOrderOption: bloc.options.notesSortBoxOrderOption,
-          input: category != null
-              ? notes.data?.where((final note) => note.favorite && note.category == category).toList()
-              : notes.data?.where((final note) => note.favorite).toList(),
-          builder: (final context, final sortedFavorites) => SortBoxBuilder<NotesSortProperty, NotesNote>(
-            sortBox: notesSortBox,
-            sortPropertyOption: bloc.options.notesSortPropertyOption,
-            sortBoxOrderOption: bloc.options.notesSortBoxOrderOption,
-            input: category != null
-                ? notes.data?.where((final note) => !note.favorite && note.category == category).toList()
-                : notes.data?.where((final note) => !note.favorite).toList(),
-            builder: (final context, final sortedNonFavorites) => NeonListView<NotesNote>(
+          input: category != null ? notes.data?.where((final note) => note.category == category).toList() : notes.data,
+          builder: (final context, final sorted) => NeonListView<NotesNote>(
             scrollKey: 'notes-notes',
             withFloatingActionButton: true,
-              items: [
-                ...sortedFavorites,
-                ...sortedNonFavorites,
-              ],
+            items: sorted,
             isLoading: notes.isLoading,
             error: notes.error,
             onRefresh: bloc.refresh,
             builder: _buildNote,
           ),
         ),
-        ),
       );
 
   Widget _buildNote(