Modal causing (partial) refresh issue in Domino 10.0.1

modal.xsp

<?xml version="1.0" encoding="UTF-8"?>
<xp:view
	xmlns:xp="http://www.ibm.com/xsp/core"
	xmlns:xe="http://www.ibm.com/xsp/coreex">

	<xe:dialog
		id="dialog1"
		title="refresh issue">

		<xp:panel id="dlgContentWrapper">
			<xe:dialogContent id="dialogContent1">
				Content in the dialog
			</xe:dialogContent>
			<xe:dialogButtonBar id="dialogButtonBar1">
				<xp:button
					value="close 2"
					id="button3">
					<xp:eventHandler
						event="onclick"
						submit="true"
						refreshMode="partial"
						refreshId="dlgContentWrapper">
						<xp:this.action><![CDATA[#{javascript:getComponent("dialog1").hide()}]]></xp:this.action>
					</xp:eventHandler>
				</xp:button>
			</xe:dialogButtonBar>
		</xp:panel>

	</xe:dialog>

	<xp:button
		value="show dialog"
		id="button1">
		<xp:eventHandler
			event="onclick"
			submit="false">
			<xp:this.script><![CDATA[XSP.openDialog("#{id:dialog1}");]]></xp:this.script>
		</xp:eventHandler>
	</xp:button>

</xp:view>