#3473968: Adding required attribute only to required properties in demo form.

src/Form/SDCDemoForm.php

@@ -91,7 +91,7 @@ final class SDCDemoForm extends FormBase {
       $settings = $definition['props']['properties'][$field];
       $form['component']['fields'][$field] = [
         '#description' => $settings['description'],
-        '#required' => TRUE,
+        '#required' => in_array($field, $definition['props']['required'] ?? []),
         '#title' => $settings['title'],
         '#type' => $fapi_map[$settings['type']],
       ];