urca non ci credo, potrebbe già funzionare

Co-authored-by: Copilot <copilot@github.com>

lib/core/widgets/flux_text_field.dart

@@ -20,6 +20,7 @@ class FluxTextField extends StatefulWidget {
   final List<TextInputFormatter>? inputFormatters;
   final TextCapitalization? textCapitalization;
   final bool? autocorrect;
+  final bool? enabled;
 
   const FluxTextField({
     super.key, // Usiamo super.key per Flutter moderno
@@ -39,6 +40,7 @@ class FluxTextField extends StatefulWidget {
     this.inputFormatters,
     this.textCapitalization,
     this.autocorrect,
+    this.enabled = true,
   });
 
   @override
@@ -115,6 +117,7 @@ class _FluxTextFieldState extends State<FluxTextField> {
       inputFormatters: widget.inputFormatters,
 
       textCapitalization: widget.textCapitalization ?? TextCapitalization.none,
+      enabled: widget.enabled,
     );
   }
 }