[FIX] sap.m.ComboBoxBase: Layouting fixed
[FIX] sap.m.ComboBoxBase: Layouting fixed

Change-Id: I1be079e0a8544cbbfef9f1d0a0ddd23232510590
BCP: 2180412331
BCP: 2180389675

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