ISTWCMS-7275: Update terminology from 'publication' to 'reference' in code

Revised function names, comments, and labels to replace 'publication' with 'reference' for consistency and clarity. This change ensures the terminology aligns better with the functionality and improves code readability.

src/Service/UwBlockAutoElements.php

@@ -685,7 +685,7 @@ class UwBlockAutoElements {
   }
 
   /**
-   * Function to get the publication reference form elements.
+   * Function to get the reference form elements.
    *
    * @param array $form
    *   The form.
@@ -697,10 +697,10 @@ class UwBlockAutoElements {
     array $config
   ): void {
 
-    // The publication reference container for element.
+    // The reference container for element.
     $form['publication_reference'] = [
       '#type' => 'fieldset',
-      '#title' => $this->t('Publication reference list settings'),
+      '#title' => $this->t('Reference list settings'),
       '#states' => [
         'visible' => [
           'select[name="settings[content_type]"]' => [
@@ -710,7 +710,7 @@ class UwBlockAutoElements {
       ],
     ];
 
-    // The number of publications to show form element.
+    // The number of references to show a form element.
     $form['publication_reference']['limit'] = $this->uwBlockService->getLimitPerBlockFormElement(
       'publication_reference',
       $config