[INTERNAL] sap.m.BusyIndicator: Testsuite sample adjusted
[INTERNAL] sap.m.BusyIndicator: Testsuite sample adjusted

- The focus of the BusyIndicator was not fully visible,
as a result of the set margin.
- Now the focus is fully visible.

JIRA: BGSOFUIRILA-2498
Change-Id: I0f0961e82c7b202ad7a86b474ae7239af288bf22

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