[DE] Fix margins dialog

apps/documenteditor/main/app/controller/Toolbar.js

@@ -1575,6 +1575,7 @@ define([
                     var win, props,
                         me = this;
                     win = new DE.Views.PageMarginsDialog({
+                        api: me.api,
                         handler: function(dlg, result) {
                             if (result == 'ok') {
                                 props = dlg.getSettings();

apps/documenteditor/main/app/view/PageMarginsDialog.js

@@ -110,6 +110,7 @@ define([
             this.spinners = [];
             this._noApply = false;
             this.maxMarginsW = this.maxMarginsH = 0;
+            this.api = this.options.api;
 
             Common.UI.Window.prototype.initialize.call(this, this.options);
         },