[FIX] sap.f.ShellBar: IE 11 de support in css
[FIX] sap.f.ShellBar: IE 11 de support in css

JIRA: BGSOFUIPIRIN-5216
Change-Id: I9ce6730a47f7ca0b6417cf0b56c1047e9f3a85c2

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