Warning: Invalid argument supplied for foreach()

On /admin/config/content/entity_visibility_preview/taxonomy_condition, when there is no value on a field $value is null.

foreach ($value as $value_structure) {
          $state_value[] = $value_structure['target_id'];
        }

Error obtained:

Warning: Invalid argument supplied for foreach() in Drupal\entity_visibility_preview\Form\TaxonomyConditionGlobalConfigurationForm->submitForm() (line 190 of modules/contrib/entity_visibility_preview/src/Form/TaxonomyConditionGlobalConfigurationForm.php).
Drupal\entity_visibility_preview\Form\TaxonomyConditionGlobalConfigurationForm->submitForm(Array, Object)
call_user_func_array(Array, Array) (Line: 112)
Drupal\Core\Form\FormSubmitter->executeSubmitHandlers(Array, Object) (Line: 52)
Drupal\Core\Form\FormSubmitter->doSubmitForm(Array, Object) (Line: 591)
Drupal\Core\Form\FormBuilder->processForm('entity_visibility_preview_taxonomy_condition_global_configuration', Array, Object) (Line: 320)
Drupal\Core\Form\FormBuilder->buildForm(Object, Object) (Line: 91)
Drupal\Core\Controller\FormController->getContentResult(Object, Object)
call_user_func_array(Array, Array) (Line: 123)
Drupal\Core\EventSubscriber\EarlyRenderingControllerWrapperSubscriber->Drupal\Core\EventSubscriber\{closure}() (Line: 573)
Drupal\Core\Render\Renderer->executeInRenderContext(Object, Object) (Line: 124)
Drupal\Core\EventSubscriber\EarlyRenderingControllerWrapperSubscriber->wrapControllerExecutionInRenderContext(Array, Array) (Line: 97)
Drupal\Core\EventSubscriber\EarlyRenderingControllerWrapperSubscriber->Drupal\Core\EventSubscriber\{closure}() (Line: 151)
Symfony\Component\HttpKernel\HttpKernel->handleRaw(Object, 1) (Line: 68)
Symfony\Component\HttpKernel\HttpKernel->handle(Object, 1, 1) (Line: 57)
Drupal\Core\StackMiddleware\Session->handle(Object, 1, 1) (Line: 47)
Drupal\Core\StackMiddleware\KernelPreHandle->handle(Object, 1, 1) (Line: 106)
Drupal\page_cache\StackMiddleware\PageCache->pass(Object, 1, 1) (Line: 85)
Drupal\page_cache\StackMiddleware\PageCache->handle(Object, 1, 1) (Line: 47)
Drupal\Core\StackMiddleware\ReverseProxyMiddleware->handle(Object, 1, 1) (Line: 52)
Drupal\Core\StackMiddleware\NegotiationMiddleware->handle(Object, 1, 1) (Line: 23)
Stack\StackedHttpKernel->handle(Object, 1, 1) (Line: 694)
Drupal\Core\DrupalKernel->handle(Object) (Line: 19)
require('/project/app/index.php') (Line: 4)

I have the fix ready. Going to commit and make a new release.