ISTWCMS-7275: Rename "publication" to "reference" in custom block.

Updated class and form names, admin labels, and text strings to replace "publication" with "reference" for consistency and clarity in the custom block functionality. This aligns terminology with its intended purpose.

uw_custom_blocks.post_update.php

@@ -55,7 +55,7 @@ function uw_custom_blocks_post_update_references_block_titles_updates_12(&$sandb
  *   The batch context array, which is updated with initial counts and a status
  *   message for the batch process.
  */
-function _references_block_titles_updates_batch_start($count, &$context): void {
+function _references_block_titles_updates_batch_start($count, array &$context): void {
   $context['results']['nodes_count'] = $count;
   $context['results']['nodes_processed'] = 0;
   $context['results']['nodes_updated'] = 0;
@@ -77,12 +77,8 @@ function _references_block_titles_updates_batch_start($count, &$context): void {
  * @param array $context
  *   A reference to the batch context array that tracks progress and statistics,
  *   including the number of nodes and revisions processed and updated.
- *
- * @return void
- *   This function does not return a value. It modifies the $context array
- *   directly and updates the node and its revisions in-place.
  */
-function _references_block_titles_updates_batch_update($nid, &$context): void {
+function _references_block_titles_updates_batch_update($nid, array &$context): void {
   $node = \Drupal::entityTypeManager()->getStorage('node')->load($nid);
 
   if ($node) {
@@ -162,7 +158,7 @@ function _references_block_titles_updates_batch_update($nid, &$context): void {
  *   The batch context array, which is updated with a status message
  *   indicating the processing of temporary storage.
  */
-function _references_block_titles_updates_batch_temp_storage(&$context) {
+function _references_block_titles_updates_batch_temp_storage(array &$context) {
   // Make sure to load temp storage, and loop over sections there.
   $context['message'] = t('Processing temporary storage.');
 }
@@ -174,7 +170,7 @@ function _references_block_titles_updates_batch_temp_storage(&$context) {
  *   The batch context array, which gets updated with status messages
  *   about nodes and revisions processed during the batch operation.
  */
-function _references_block_titles_updates_batch_end(&$context) {
+function _references_block_titles_updates_batch_end(array &$context) {
   $context['message'] = t('Updated @nodes_updated out of @nodes_processed (total @total) nodes.', [
     '@nodes_updated' => $context['results']['nodes_updated'],
     '@nodes_processed' => $context['results']['nodes_processed'],
@@ -199,6 +195,6 @@ function _references_block_titles_updates_batch_end(&$context) {
  * @return string
  *   Translated message indicating the completion of the batch process.
  */
-function _references_block_titles_updates_batch_finished($success, $results, $operations) {
+function _references_block_titles_updates_batch_finished($success, array $results, array $operations) {
   return t('Finished.');
 }