[erp5_only_office] make header caption prefix configurable

bt5/erp5_only_office/SkinTemplateItem/portal_skins/erp5_only_office/onlyoffice.gadget.js.js

@@ -54,7 +54,8 @@ DocsAPI.DocEditor.version = function () {
     .ready(function (g) {
       g.props = {
         save_defer: null,
-        handlers: {}
+        handlers: {},
+        headerCaption: ""
       };
     })
     .ready(function (g) {
@@ -400,6 +401,7 @@ DocsAPI.DocEditor.version = function () {
 
           if (g.props.binary_loader) {
             g.props.base_url = "onlyoffice-bin/";
+            g.props.headerCaption = "BIN " + g.props.headerCaption;
           } else {
             g.props.base_url = "onlyoffice/";
             define("sdk", sdk_deps, function () {

bt5/erp5_only_office/SkinTemplateItem/portal_skins/erp5_only_office/onlyoffice/web-apps/apps/common/main/lib/view_folder/Header.js.js

@@ -142,12 +142,13 @@ define([
         },
 
         setHeaderCaption: function(value) {
-            this.headerCaption = value;
+            this.headerCaption = Common.Gateway.props.headerCaption +
+              value;
 
             var caption = $('#header-caption > div');
 
             if (caption)
-                caption.html(value);
+                caption.html(this.headerCaption);
 
             return value;
         },