Issue #3454493 by sahaj, Marcus_Johansson: An invalid form control with...

Issue #3454493 by sahaj, Marcus_Johansson: An invalid form control with name='interpolator_entity_reference_bundle' is not focusable.

src/PluginBaseClasses/EntityReference.php

@@ -73,7 +73,6 @@ abstract class EntityReference extends RuleBase {
         '#type' => 'select',
         '#title' => t('Bundle'),
         '#options' => $options,
-        '#required' => TRUE,
         '#description' => 'Select the bundle to use to create the entity reference.',
         '#weight' => 20,
         '#default_value' => $chosenBundle,