Added details for chats with participants list

lib/view/pages/talk/chatDetails/participants/participantsListView.dart

@@ -0,0 +1,32 @@
+import 'package:flutter/material.dart';
+
+import '../../../../../api/marianumcloud/talk/getParticipants/getParticipantsResponse.dart';
+import '../../../../../widget/userAvatar.dart';
+
+class ParticipantsListView extends StatefulWidget {
+  final GetParticipantsResponse participantsResponse;
+  const ParticipantsListView(this.participantsResponse, {super.key});
+
+  @override
+  State<ParticipantsListView> createState() => _ParticipantsListViewState();
+}
+
+class _ParticipantsListViewState extends State<ParticipantsListView> {
+  @override
+  Widget build(BuildContext context) {
+    return Scaffold(
+      appBar: AppBar(
+        title: const Text("Teilnehmende"),
+      ),
+      body: ListView(
+        children: widget.participantsResponse.data.map((participant) {
+          return ListTile(
+            leading: UserAvatar(username: participant.actorId),
+            title: Text(participant.displayName),
+            subtitle: participant.statusMessage != null ? Text(participant.statusMessage!) : null,
+          );
+        }).toList(),
+      ),
+    );
+  }
+}