[INTERNAL] [FIX] sap.m.SegmentedButton: when custom icon is used now JAWS reads it (testpage fix)
[INTERNAL] [FIX] sap.m.SegmentedButton: when custom icon is used now JAWS reads it (testpage fix)

BCP: 1670050915
Change-Id: I6e491e5b22b8473724c75a433b1f229e379783b6

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