Rewrite words and groups into result

src/pages/import.rs

@@ -444,7 +444,7 @@ impl ImportState {
                     };
                     {
                         let state = state.lock();
-                        add_group(&mut group_entity, &state.connection);
+                        add_group(&mut group_entity, &state.connection)?;
                     }
 
                     let group_id = group_entity.id;
@@ -484,7 +484,7 @@ impl ImportState {
                     let mut index = 0;
                     let total_len = words_list.len() as f32 / 1024.0;
                     for word in &mut words_list.chunks_mut(1024) {
-                        add_words(word, connection);
+                        add_words(word, connection)?;
                         index += 1;
                         let mut progress = progress.lock();
                         *progress = (index as f32 / total_len).min(1.0);