[FIX] sap.m.GrowingEnablement: Focus is lost after growing
[FIX] sap.m.GrowingEnablement: Focus is lost after growing

- According to UX focus must be set onto the first item which was loaded
new after growing button is pressed.

BCP: 1880210210

Change-Id: I627e1a5d2e3c825b5f58ea7f851d5c166580b5b1

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