Issue #3318990: Links in merged fields are "escaped"

Closes #3318990

src/HookHandler/ViewsPreRenderHookHandler.php

@@ -849,7 +849,13 @@ class ViewsPreRenderHookHandler implements ContainerInjectionInterface {
     }
     unset($iteration, $value_count);
 
-    $view->style_plugin->setRenderedField(\implode('', $merged_row[$field_name]), $row_index, $field_name);
+    $html_string = implode('', $merged_row[$field_name]);
+    $render_data = [
+      '#markup' => \Drupal\Core\Render\Markup::create($html_string)
+    ];
+    $html_string = \Drupal::service('renderer')->render($render_data);
+
+    $view->style_plugin->setRenderedField($html_string, $row_index, $field_name);
   }
 
   /**