[INTERNAL][FIX] ui5loader-autoconfig: normalize value of sap-ui-debug
[INTERNAL][FIX] ui5loader-autoconfig: normalize value of sap-ui-debug

Change-Id: I921804a19e01235f41b349a09af69ba95fb16d56

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