Merge branch 'fix/DEFECT-1290' into 'main_dev'

fix: 修复新增第二页无默认页面设计尺寸

See merge request yunteng/thingskit-scada!69

@@ -1703,6 +1703,8 @@ EditorUi.prototype.createPageInsertTab = function()
 	mxEvent.addListener(tab, 'click', mxUtils.bind(this, function(evt)
 	{
 		this.insertPage();
+		var formats = PageSetupDialog.getFormats()
+		this.editor.graph.pageFormat = formats[0].format
 		mxEvent.consume(evt);
 	}));