[INTERNAL][FIX] sap.m.SuggestionsPopover: Adding suggestion items now works correctly
[INTERNAL][FIX] sap.m.SuggestionsPopover: Adding suggestion items now works correctly

Suggestion popup content is now created only when suggestions popover exists.

Change-Id: I1a4183e013ad4763abfe70df20be54346aff43df
BCP: 1880629222

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