[INTERNAL] sap.m.Dialog: comparing sizes with a margin of 1px
[INTERNAL] sap.m.Dialog: comparing sizes with a margin of 1px

This have to prevent the cases when the browser is returning float numbers insted of intigers and the comparions fails.
500 === 500.6 (false)
500.6000002 === 500.6 (false)

Change-Id: Iab7db34c6152ea8c0384cc6a8ab57d89e61e0327

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