[INTERNAL] sap.f.ShellBar - fix visual test
[INTERNAL] sap.f.ShellBar - fix visual test

Change-Id: I7f2a64a35c80dd1c7425915103664525f184e27a
JIRA: BGSOFUIPIRIN-3700

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