Issue #3146191 - Fix version

backports.info.yml

 name: Backports
 type: module
 description: UI and other backports from Drupal 8.1
-core: 8.x
+core_version_requirement: ^8.8 || ^9.0 || ^10.0

src/Plugin/Field/FieldFormatter/ImageUrlFormatter.php

@@ -53,7 +53,7 @@ class ImageUrlFormatter extends ImageFormatter {
       $image_uri = $image->getFileUri();
       $url = $image_style
         ? $image_style->buildUrl($image_uri)
-        : file_create_url($image_uri);
+        : \Drupal::service('file_url_generator')->generateAbsoluteString($image_uri);
 
       // Set the link url if settings require such.
       $link_url = ($image_link_setting == 'file') ? Url::fromUri($url) : $link_url;
@@ -77,4 +77,5 @@ class ImageUrlFormatter extends ImageFormatter {
 
     return $elements;
   }
+
 }