MC-40439: Update 2.4.3 branches with 2.4.2 branches

Author: zakdma

app/code/Magento/Customer/Model/Metadata/Form/File.php

@@ -232,6 +232,17 @@ private function getFileExtension(string $fileName): string
         return pathinfo($fileName, PATHINFO_EXTENSION);
     }
 
+    /**
+     * Get file basename from the file if it exists, otherwise, get from filename.
+     *
+     * @param string $fileName
+     * @return string
+     */
+    private function getFileBasename(string $fileName): string
+    {
+        return pathinfo($fileName, PATHINFO_BASENAME);
+    }
+
     /**
      * Helper function that checks if the file was uploaded.
      *
@@ -248,7 +259,7 @@ protected function _isUploadedFile($filename)
         }
 
         // This case is required for file uploader UI component
-        $temporaryFile = FileProcessor::TMP_DIR . '/' . $this->fileProcessor->getStat($filename)['basename'];
+        $temporaryFile = FileProcessor::TMP_DIR . '/' . $this->getFileBasename($filename);
         if ($this->fileProcessor->isExist($temporaryFile)) {
             return true;
         }