fix form data should be mandatory (#6)

Author: agus24

src/Gustiawan/FormBuilder/Form.php

@@ -235,10 +235,10 @@ private function parseField(string $type, string $name, string $label, array $op
 
         if (array_key_exists("value", $options)) {
             $field['value'] = $options['value'];
-        } else {
-            $field['value'] = (array_key_exists($name, $this->data) ? $this->data[$name] : $default_value);
         }
 
+        $field['value'] = (array_key_exists($name, $this->data) ? $this->data[$name] : $default_value);
+
         return $field;
     }
 }