cache pangea reps so direct translation is not called multiple times, don't translate names of audio message files

lib/pangea/controllers/message_data_controller.dart

@@ -18,8 +18,7 @@ class MessageDataController extends BaseController {
   late PangeaController _pangeaController;
 
   final List<CacheItem> _cache = [];
-
-  final Map<String, MessageDataQueueItem> _messageDataToSave = {};
+  final List<RepresentationCacheItem> _representationCache = [];
 
   MessageDataController(PangeaController pangeaController) {
     _pangeaController = pangeaController;
@@ -31,6 +30,14 @@ class MessageDataController extends BaseController {
             e.parentId == parentId && e.type == type && e.langCode == langCode,
       );
 
+  RepresentationCacheItem? getRepresentationCacheItem(
+    String parentId,
+    String langCode,
+  ) =>
+      _representationCache.firstWhereOrNull(
+        (e) => e.parentId == parentId && e.langCode == langCode,
+      );
+
   Future<PangeaMessageTokens?> _getTokens(
     TokensRequestModel req,
   ) async {
@@ -141,6 +148,32 @@ class MessageDataController extends BaseController {
     required String? source,
     required String target,
     required Room room,
+  }) async {
+    final RepresentationCacheItem? item =
+        getRepresentationCacheItem(text, target);
+    if (item != null) return item.data;
+
+    _representationCache.add(
+      RepresentationCacheItem(
+        text,
+        target,
+        _getPangeaRepresentation(
+          text: text,
+          source: source,
+          target: target,
+          room: room,
+        ),
+      ),
+    );
+
+    return _representationCache.last.data;
+  }
+
+  Future<PangeaRepresentation?> _getPangeaRepresentation({
+    required String text,
+    required String? source,
+    required String target,
+    required Room room,
   }) async {
     final req = FullTextTranslationRequestModel(
       text: text,
@@ -235,3 +268,11 @@ class CacheItem {
 
   CacheItem(this.parentId, this.type, this.langCode, this.data);
 }
+
+class RepresentationCacheItem {
+  String parentId;
+  String langCode;
+  Future<PangeaRepresentation?> data;
+
+  RepresentationCacheItem(this.parentId, this.langCode, this.data);
+}

lib/pangea/utils/get_chat_list_item_subtitle.dart

@@ -43,6 +43,7 @@ class GetChatListItemSubtitle {
       }
 
       if (event.type != EventTypes.Message ||
+          event.messageType != MessageTypes.Text ||
           !pangeaController.permissionsController
               .isToolEnabled(ToolSetting.immersionMode, event.room)) {
         return event.calcLocalizedBody(