Issue #3230690 by Anul: Incorrect documentation in...

Issue #3230690 by Anul: Incorrect documentation in Drupal\views\Plugin\views\display::viewExposedFormBlocks)()

(cherry picked from commit 1eae8e8f)

core/modules/views/src/Plugin/views/display/DisplayPluginInterface.php

@@ -566,8 +566,8 @@ public function getSpecialBlocks();
   /**
    * Renders the exposed form as block.
    *
-   * @return string|null
-   *   The rendered exposed form as string or NULL otherwise.
+   * @return array|null
+   *   The renderable exposed form as array or NULL otherwise.
    */
   public function viewExposedFormBlocks();