Fix already updated cache change

src/pages/repetitions.rs

@@ -616,6 +616,7 @@ impl RepetitionsState {
         let total = DeckData::list(&deck, &self.state);
         deck.existing_words_indices = added;
         deck.available_words_indices = total;
+        deck.indices_ready = true;
         self.decks.insert(self.selected_deck_handle.unwrap(), deck);
     }
 }