TF-3864 Support pasting address with display name

Signed-off-by: dab246 <tdvu@linagora.com>

core/lib/utils/mail/named_address.dart

@@ -0,0 +1,11 @@
+import 'package:equatable/equatable.dart';
+
+class NamedAddress with EquatableMixin {
+  final String name;
+  final String address;
+
+  NamedAddress({required this.name, required this.address});
+
+  @override
+  List<Object?> get props => [name, address];
+}