sort media gallery using readhandler function in product collection

Author: Kannakiraj123

app/code/Magento/Catalog/Model/Product/Gallery/ReadHandler.php

@@ -128,7 +128,7 @@ protected function findDefaultValue($key, &$image)
      * @param array $mediaEntries
      * @return array
      */
-    private function sortMediaEntriesByPosition(array $mediaEntries): array
+    public function sortMediaEntriesByPosition(array $mediaEntries): array
     {
         $mediaEntriesWithNullPositions = [];
         foreach ($mediaEntries as $index => $mediaEntry) {

app/code/Magento/Catalog/Model/ResourceModel/Product/Collection.php

@@ -2395,7 +2395,10 @@ function ($item) use ($linkField) {
             $this->productGalleryReadHandler
                 ->addMediaDataToProduct(
                     $item,
-                    $mediaGalleries[$item->getOrigData($linkField)] ?? []
+                    $this->productGalleryReadHandler->sortMediaEntriesByPosition(
+                        $mediaGalleries[$item->getOrigData($linkField)] ?? []
+                    )
+
                 );
         }