file-upload: Correctly handle error responses for HTTP2

Signed-off-by: Jakub Onderka <[email protected]>

Author: JakubOnderka

apps/files/js/file-upload.js

@@ -345,7 +345,7 @@ OC.FileUpload.prototype = {
 	 */
 	getResponse: function() {
 		var response = this.data.response();
-		if (response.errorThrown) {
+		if (response.errorThrown || response.textStatus === 'error') {
 			// attempt parsing Sabre exception is available
 			var xml = response.jqXHR.responseXML;
 			if (xml && xml.documentElement.localName === 'error' && xml.documentElement.namespaceURI === 'DAV:') {