[FIX] sap.m.UploadCollection: Deletion handling corrected
[FIX] sap.m.UploadCollection: Deletion handling corrected

- Deletion of bottommost item out of two items no longer breaks file download

Change-Id: I4dbe9587fe9f26feaebfe26f2a80688b111270b8
BCP: 0020751294 0000374930 2017

SAP/openui5,SQCLabs/openui5,cschuff/openui5,cschuff/openui5,cschuff/openui5,SAP/openui5,SQCLabs/openui5,nzamani/openui5,SQCLabs/openui5,SAP/openui5,nzamani/openui5,SAP/openui5,nzamani/openui5