Add mtime to receiving filename, so that we dont have name clashes with systems that use the same archive name for our host

app/Classes/File.php

@@ -102,13 +102,13 @@ class File extends FileBase implements \Iterator
 	}
 
 	/**
-	 * Return the name of the file, without a node ID prefix
+	 * Return the name of the file, without a node ID, mtime prefix
 	 *
 	 * @return string
 	 */
 	public function rawName(): string
 	{
-		return preg_replace('/^[0-9A-F]{4}-/','',$this->getFilename());
+		return preg_replace('/^[0-9A-F]{4}-([0-9]+)-]/','',$this->getFilename());
 	}
 
 	/**