Merge branch '3490733-linkproptype-normalization-again' into '2.0.x'

Issue #3490733 by grimreaper: LinkPropType normalization...again

See merge request !280

src/Plugin/UiPatterns/PropType/LinksPropType.php

@@ -122,6 +122,7 @@ class LinksPropType extends PropTypePluginBase implements ContainerFactoryPlugin
       $item["title"] = $item["text"];
       unset($item["text"]);
     }
+    $item["title"] = static::normalizeTitle($item["title"]);
 
     if (array_key_exists("href", $item)) {
       // Examples: pager.html.twig, views_mini_pager.html.twig.
@@ -137,6 +138,17 @@ class LinksPropType extends PropTypePluginBase implements ContainerFactoryPlugin
     return $item;
   }
 
+  /**
+   * Normalize title in an item.
+   */
+  protected static function normalizeTitle(mixed $title): mixed {
+    // For pager.
+    if (is_int($title)) {
+      $title = (string) $title;
+    }
+    return $title;
+  }
+
   /**
    * Normalize attributes in an item.
    */