set header to file if cloud_name sync type.

Author: DavidCramer

cloudinary-image-management-and-manipulation-in-the-cloud-cdn/php/sync/class-upload-sync.php

@@ -201,9 +201,10 @@ public function setup() {
 	 */
 	public function upload_asset( $attachment_id ) {
 
-		$type      = $this->sync->get_sync_type( $attachment_id );
-		$options   = $this->media->get_upload_options( $attachment_id );
-		$public_id = $options['public_id'];
+		$type       = $this->sync->get_sync_type( $attachment_id );
+		$options    = $this->media->get_upload_options( $attachment_id );
+		$public_id  = $options['public_id'];
+		$try_remote = 'cloud_name' === $type ? 'file' : false;
 
 		// Add the suffix before uploading.
 		if ( $this->media->get_public_id( $attachment_id ) === $public_id ) {
@@ -215,7 +216,7 @@ public function upload_asset( $attachment_id ) {
 		}
 
 		// Run the upload Call.
-		$result = $this->connect->api->upload( $attachment_id, $options );
+		$result = $this->connect->api->upload( $attachment_id, $options, $try_remote );
 
 		if ( ! is_wp_error( $result ) ) {