[INTERNAL] sap.ui.core.ElementMetadata : fix designTime in applySettings
[INTERNAL] sap.ui.core.ElementMetadata : fix designTime in applySettings

* fixing case, when designTime metadata property is not processed
because of the return statement if renderer is of the string type

Change-Id: I527d916c1bf70b0eaba429daf582e28cee5334ab

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