[INTERNAL][FIX] Grid Table: incorrect number of rows
[INTERNAL][FIX] Grid Table: incorrect number of rows

- visibleRowCountMode:auto, HSB:visible - number of rows is wrong

Change-Id: I70a035df9fb121c3fe6aa3265751f34b106f6492

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