[INTERNAL] sap.m.Table - Default Avatar fallback Icon size
[INTERNAL] sap.m.Table - Default Avatar fallback Icon size

The fallback Icon of sap.f.Avatar controls is displayed with default
size and will not be affected by the Table anymore.

Change-Id: Iab32c0e88c219c8d17f1ad082409af3aeb093915
BCP: 2080190060

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