[INTERNAL] sap.ui.core.Popup: fix documentation of open(...followOf...)
[INTERNAL] sap.ui.core.Popup: fix documentation of open(...followOf...)

Change-Id: Id2785f62ee36bc7bbc8d815d9c22f322473dbc96

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