refactor: Add code quality reports

lib/utils/background_push.dart

@@ -105,13 +105,9 @@ class BackgroundPush {
     return instance;
   }
 
-  Future<void> fullInit() async {
-    await setupPush();
-  }
+  Future<void> fullInit() => setupPush();
 
-  void handleLoginStateChanged(LoginState state) {
-    setupPush();
-  }
+  void handleLoginStateChanged(_) => setupPush();
 
   void _newFcmToken(String token) {
     _fcmToken = token;

lib/utils/resize_image.dart

@@ -6,8 +6,10 @@ import 'package:native_imaging/native_imaging.dart' as native;
 
 import 'run_in_background.dart';
 
+const int defaultMax = 800;
+
 Future<MatrixImageFile> resizeImage(MatrixImageFile file,
-    {int max = 800}) async {
+    {int max = defaultMax}) async {
   // we want to resize the image in a separate isolate, because otherwise that can
   // freeze up the UI a bit
 

lib/utils/ui_fake.dart

@@ -1,4 +1,4 @@
 // ignore: camel_case_types
 class platformViewRegistry {
-  static void registerViewFactory(String viewId, dynamic cb) {}
+  static void registerViewFactory(String _, dynamic __) {}
 }

lib/utils/url_launcher.dart

@@ -83,7 +83,7 @@ class UrlLauncher {
     launch(uri.replace(host: newHost).toString());
   }
 
-  void openMatrixToUrl([bool startDirectChat = false]) async {
+  void openMatrixToUrl() async {
     final matrix = Matrix.of(context);
     // The identifier might be a matrix.to url and needs escaping. Or, it might have multiple
     // identifiers (room id & event id), or it might also have a query part.