fix: Prefer reusing AppBaseException instead of redefining the exception contract CacheException and RemoteException

lib/main/exceptions/remote/network_exception.dart

@@ -0,0 +1,38 @@
+import 'package:tmail_ui_user/main/exceptions/remote/remote_exception.dart';
+
+class NetworkException extends RemoteException {
+  const NetworkException({super.message});
+
+  @override
+  String get exceptionName => 'NetworkException';
+}
+
+class NoNetworkError extends NetworkException {
+  const NoNetworkError() : super(message: 'No network connection');
+
+  @override
+  String get exceptionName => 'NoNetworkError';
+}
+
+class ConnectionError extends NetworkException {
+  const ConnectionError({String? message})
+      : super(message: message ?? 'Connection error');
+
+  @override
+  String get exceptionName => 'ConnectionError';
+}
+
+class ConnectionTimeout extends NetworkException {
+  const ConnectionTimeout({String? message})
+      : super(message: message ?? 'Connection timeout');
+
+  @override
+  String get exceptionName => 'ConnectionTimeout';
+}
+
+class SocketError extends NetworkException {
+  const SocketError() : super(message: 'Socket exception');
+
+  @override
+  String get exceptionName => 'SocketError';
+}