[INTERNAL] sap.m.IconTabBar: Corrected styles when IconTabHeader is used alone
[INTERNAL] sap.m.IconTabBar: Corrected styles when IconTabHeader is used alone

Change-Id: I230d6ba4df07d36d341b9978082b1b02d8657743

SAP/openui5,cschuff/openui5,SAP/openui5,cschuff/openui5,cschuff/openui5,SAP/openui5,SQCLabs/openui5,nzamani/openui5,SAP/openui5,SQCLabs/openui5,SQCLabs/openui5,nzamani/openui5,nzamani/openui5