gadget: clear onlyoffice modification state on save

onlyoffice.gadget.js

 /*global window, rJS, RSVP, DocsAPI, console, document,
  Common, require, jIO, URL, FileReader, atob, ArrayBuffer,
- Uint8Array, XMLHttpRequest, Blob, Rusha, define*/
+ Uint8Array, XMLHttpRequest, Blob, Rusha, define,
+ TextDecoder, DesktopOfflineAppDocumentEndSave*/
 /*jslint nomen: true, maxlen:80, indent:2*/
 "use strict";
 if (Common === undefined) {
@@ -523,6 +524,10 @@ DocsAPI.DocEditor.version = function () {
         .push(function (evt) {
           var data = {};
           data[g.props.key] = evt.target.result;
+          // TODO it should be run on state change
+          // if fail send int:1
+          // it clear modification state onlyoffice
+          DesktopOfflineAppDocumentEndSave(0);
           return data;
         });
     });