Merge branch 'feature/ui-split' of https://github.com/GetStream/stream-chat-flutter into feature/ui-split

packages/stream_chat_flutter_core/example/android/app/src/main/java/example/example/MainActivity.java

@@ -2,5 +2,4 @@ package example.example;
 
 import io.flutter.embedding.android.FlutterActivity;
 
-public class MainActivity extends FlutterActivity {
-}
+public class MainActivity extends FlutterActivity {}

packages/stream_chat_flutter_core/lib/src/user_list_view_core.dart

@@ -154,12 +154,12 @@ class _UserListViewCoreState extends State<UserListViewCore>
             temp = users..sort((curr, next) => curr.name.compareTo(next.name));
           }
           final groupedUsers = <String, List<User>>{};
-          for (var e in temp) {
+          for (final e in temp) {
             final alphabet = e.name[0]?.toUpperCase();
             groupedUsers[alphabet] = [...groupedUsers[alphabet] ?? [], e];
           }
           final items = <ListItem>[];
-          for (var key in groupedUsers.keys) {
+          for (final key in groupedUsers.keys) {
             items.add(ListHeaderItem(key));
             items.addAll(groupedUsers[key].map((e) => ListUserItem(e)));
           }

packages/stream_chat_flutter_core/test/stream_chat_flutter_core_test.dart

@@ -1,5 +1 @@
-import 'package:flutter_test/flutter_test.dart';
-
-import 'package:stream_chat_flutter_core/stream_chat_flutter_core.dart';
-
 void main() {}