Autocomplete product names

lib/widgets/custom_edit_text_form_field.dart

@@ -29,6 +29,7 @@ class CustomTextFormField extends StatelessWidget {
     this.filled = true,
     this.validator,
     this.keyboardType,
+    this.onChanged,
     this.onSaved,
   }) : super(
           key: key,
@@ -84,6 +85,8 @@ class CustomTextFormField extends StatelessWidget {
 
   final void Function(String?)? onSaved;
 
+  final ValueChanged<String>? onChanged;
+
   @override
   Widget build(BuildContext context) {
     return alignment != null
@@ -108,6 +111,7 @@ class CustomTextFormField extends StatelessWidget {
           validator: validator,
           keyboardType: keyboardType,
           onSaved: onSaved,
+          onChanged: onChanged,
           inputFormatters: inputFormatters,
           initialValue: initialValue,
         ),