refactored HTTP error handling and streamlined UI components by centralizing shared logic and removing redundant parameters

lib/view/pages/talk/widgets/answer_reference.dart

@@ -5,11 +5,9 @@ import '../../../../api/marianumcloud/talk/chat/rich_object_string_processor.dar
 import '../data/chat_bubble_styles.dart';
 
 class AnswerReference extends StatelessWidget {
-  final BuildContext context;
   final GetChatResponseObject referenceMessage;
   final String? selfId;
   const AnswerReference({
-    required this.context,
     required this.referenceMessage,
     required this.selfId,
     super.key,
@@ -20,8 +18,8 @@ class AnswerReference extends StatelessWidget {
     final style = ChatBubbleStyles(context);
     final isSelf = referenceMessage.actorId == selfId;
     final accent = isSelf
-        ? style.getSelfStyle(false).color!.withGreen(200)
-        : style.getRemoteStyle(false).color!.withWhite(200);
+        ? style.getSelfStyle().color!.withGreen(200)
+        : style.getRemoteStyle().color!.withWhite(200);
     return DecoratedBox(
       decoration: BoxDecoration(
         color: accent.withValues(alpha: 0.2),