feat: Update deleted notes query to include notes with empty body in trash

lib/data/app_database.dart

@@ -217,13 +217,15 @@ class AppDatabase extends _$AppDatabase {
   }
 
   Future<List<DbNote>> getDeletedNotes() {
-    return (select(notes)..where(
-          (n) =>
-              n.isDeleted.equals(true) &
-              n.title.isNotValue('') &
-              n.body.isNotValue(''),
-        ))
-        .get();
+      // A note is considered deleted (in the trash) when `is_deleted` is true
+      // and at least one of `title` or `body` is not empty. Previously the
+      // query required both title AND body to be non-empty which excluded
+      // notes that had an empty body (common) from appearing in the trash.
+      return (select(notes)..where(
+        (n) => n.isDeleted.equals(true) &
+        (n.title.isNotValue('') | n.body.isNotValue('')),
+      ))
+      .get();
   }
 
   Future<List<DbCategory>> getCategoriesChangedSince(DateTime since) {