[INTERNAL] sap.m.Dialog: Add title to the Dialog test page
[INTERNAL] sap.m.Dialog: Add title to the Dialog test page

This fixes an Access Continuum issue

Change-Id: Iee2afee186764e33c8799c8fbb5989610eb95d36

SAP/openui5,SAP/openui5,SAP/openui5,SAP/openui5