[INTERNAL][FIX] sap.m.Breadcrumbs - onThemeChanged implemented
[INTERNAL][FIX] sap.m.Breadcrumbs - onThemeChanged implemented

In recent Chrome versions CSS is loaded later than before, resulting in wrong width calculations.
Handling the onThemeChanged event ensures that all calculations are redone once the CSS is ready.

Change-Id: I180b3e8805ce7c042065e2d733433568fc18770f

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