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

lib/view/pages/talk/chat_view.dart

@@ -245,7 +245,6 @@ class _ChatViewState extends State<ChatView> with RouteAware {
         lastDate = elementDate;
         messages.add(
           ChatBubble(
-            context: context,
             isSender: false,
             bubbleData: GetChatResponseObject.getDateDummy(element.timestamp),
             chatData: widget.room,
@@ -265,7 +264,6 @@ class _ChatViewState extends State<ChatView> with RouteAware {
 
       messages.add(
         ChatBubble(
-          context: context,
           isSender:
               element.actorId == widget.selfId &&
               (element.messageType ==
@@ -287,7 +285,6 @@ class _ChatViewState extends State<ChatView> with RouteAware {
       messages.insert(
         0,
         ChatBubble(
-          context: context,
           isSender: false,
           bubbleData: GetChatResponseObject.getTextDummy(
             'Zurzeit können in dieser App nur die letzten 200 vergangenen Nachrichten angezeigt werden. '