Order source images accordng media queries

Closes #3461863

modules/imageapi_optimize_avif_webp_responsive/imageapi_optimize_avif_webp_responsive.module

@@ -105,14 +105,9 @@ function imageapi_optimize_avif_webp_responsive_preprocess_responsive_image(&$va
       }
 
       // If any AVIF or WebP sources are created, merge them with existing sources.
-      foreach ([$webp_sources, $avif_sources] as $sources) {
-        if (!empty($sources)) {
-          foreach ($sources as $source) {
-            array_unshift($variables['sources'], $source);
-          }
-          $variables['output_image_tag'] = FALSE;
-        }
-      }
+      array_unshift($variables['sources'], ...$webp_sources);
+      array_unshift($variables['sources'], ...$avif_sources);
+      $variables['output_image_tag'] = FALSE;
     }
 
   }