ENGCOM-5016: [Backport] Non existing file, when adding image to gallery with move option. Fix for #21978 #22579

 - Merge Pull Request #22579 from amol2jcommerce/magento2:2.2-develop-PR-port-22020
 - Merged commits:
   1. 008f8ef
   2. e97f14c

Author: magento-engcom-team

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

@@ -191,7 +191,7 @@ public function addImage(
         $mediaGalleryData = $product->getData($attrCode);
         $position = 0;
 
-        $absoluteFilePath = $this->mediaDirectory->getAbsolutePath($file);
+        $absoluteFilePath = $this->mediaDirectory->getAbsolutePath($destinationFile);
         $imageMimeType = $this->mime->getMimeType($absoluteFilePath);
         $imageContent = $this->mediaDirectory->readFile($absoluteFilePath);
         $imageBase64 = base64_encode($imageContent);
@@ -489,7 +489,7 @@ protected function getNotDuplicatedFilename($fileName, $dispretionPath)
     /**
      * Retrieve data for update attribute
      *
-     * @param  \Magento\Catalog\Model\Product $object
+     * @param \Magento\Catalog\Model\Product $object
      * @return array
      * @since 101.0.0
      */