Issue #3243282: Refactor operands to handle use_event_listener

modules/cloud_service_providers/k8s/src/Plugin/Block/K8sNodeAllocatedResourcesBlock.php

@@ -44,7 +44,7 @@ class K8sNodeAllocatedResourcesBlock extends K8sBaseBlock {
       '#description' => $this->t('Check to use a common JS resource url to update this block on dashboard.
       Useful if this block is placed on a page along with K8s Node Heatmap block.  Reduces duplicate AJAX calls to
       K8s Resource Url.'),
-      '#default_value' => $this->configuration['use_event_listener'] ?? 1,
+      '#default_value' => $this->configuration['use_event_listener'] ?? TRUE,
     ];
     return $form;
   }