[INTERNAL] sap.m.FacetFilter: add reference to the FacetList
[INTERNAL] sap.m.FacetFilter: add reference to the FacetList

Change-Id: I9e1a6107cd4053d550831963b6a0d81c3a928299

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