default auth method to none

Fixes auth on MAS

lib/models/requests/oauth/register_client.dart

@@ -16,6 +16,9 @@ abstract class OAuthRegisterClientRequest with _$OAuthRegisterClientRequest {
     IList<GrantType>? grantTypes,
     IList<Uri>? redirectUris,
     IList<ResponseType>? responseTypes,
+
+    @Default(AuthMethod.none)
+    @JsonKey(name: "token_endpoint_auth_method")
     AuthMethod? authMethod,
   }) = _OAuthRegisterClientRequest;
 

lib/widgets/mxc_image.dart

@@ -1,11 +0,0 @@
-import "package:flutter/material.dart";
-import "package:flutter_riverpod/flutter_riverpod.dart";
-
-class MxcImage extends ConsumerWidget {
-  const MxcImage({super.key});
-
-  @override
-  Widget build(BuildContext context, WidgetRef ref) {
-    return const Placeholder();
-  }
-}