[FIX][INTERNAL] sap.m.UploadCollection list preparation improved
[FIX][INTERNAL] sap.m.UploadCollection list preparation improved

Number of list preparation cycles reduced.

Change-Id: I4a87687bc6d24427d440aa756959f5f12da26003

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