[INTERNAL] sap.m.Illustration: Fixed SVG misalignment
[INTERNAL] sap.m.Illustration: Fixed SVG misalignment

Problem: Some of the SVGs in the "use" tag (SimpleBalloon dialog for
example) are in the top-left corner of its container (not centered).

Solution: We make sure they are centered by forcing them to take the
whole viewBox space.

Change-Id: Ieacab467bffc1be3dfb6e76983b411c2fe76b5d1

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