SHS-6009: Remove Visibility and Region fields from the Social Media f…

…ooter block for Site Editors (#1715)

* SHS-6009: Remove Visibility and Region fields from the Social Media footer block for Site Editors.

docroot/modules/humsci/hs_blocks/hs_blocks.module

@@ -111,6 +111,24 @@ function hs_blocks_form_layout_builder_add_block_alter(&$form, FormStateInterfac
   }
 }
 
+/**
+ * Implements hook_form_FORM_ID_alter().
+ */
+function hs_blocks_form_block_form_alter(&$form, FormStateInterface $form_state) {
+  $block_form = $form_state->getFormObject();
+  /** @var Drupal\block\BlockForm $block_form */
+  $block = $block_form->getEntity();
+  // Hide visibility & region fields from non-developers on social media block.
+  if ($block instanceof Block && $block->getPluginId() == 'hs_blocks_social_media_block') {
+    /** @var Drupal\Entity\User $current_user */
+    $current_user = \Drupal::currentUser();
+    if (!$current_user->hasRole('administrator')) {
+      $form['visibility']['#access'] = FALSE;
+      $form['region']['#access'] = FALSE;
+    }
+  }
+}
+
 /**
  * Implements hook_preprocess_HOOK().
  */