Should `@friendlyName` emit a warning if not used on a template

Goal of @friendlyname is to provide a unique name to the template instance. And I think it can easily be misused somewhere else to rename a property or model in the client(Has been many times in the past)

Think we should emit a warning and recommend to use `@projectedName` as it is probably what they want.

Additionally we should emit a warning if the friendly name is not using the template parameter in its name which would result in a conflicts