[INTERNAL] sap.m.Select: reduce code of .setValue() method
[INTERNAL] sap.m.Select: reduce code of .setValue() method

Change-Id: Ia4630240f041c80ee041648ee7b050bd0b40f469

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