formattazione testo da e verso json

lib/features/customers/models/customer_model.dart

@@ -1,4 +1,5 @@
 import 'package:equatable/equatable.dart';
+import 'package:flux/core/utils/string_extensions.dart';
 
 class CustomerModel extends Equatable {
   final String? id; // Bigint in SQL
@@ -81,7 +82,7 @@ class CustomerModel extends Equatable {
       createdAt: json['created_at'] != null
           ? DateTime.parse(json['created_at'])
           : null,
-      nome: json['nome'],
+      nome: (json['nome'] as String).myFormat(),
       telefono: json['telefono'],
       email: json['email'],
       note: json['note'] ?? '',
@@ -98,9 +99,9 @@ class CustomerModel extends Equatable {
   Map<String, dynamic> toJson() {
     return {
       if (id != null) 'id': id,
-      'nome': nome,
+      'nome': nome.toLowerCase(),
       'telefono': telefono,
-      'email': email,
+      'email': email.toLowerCase(),
       'note': note,
       if (dataUltimoContatto != null)
         'data_ultimo_contatto': dataUltimoContatto!.toIso8601String(),