getStringSuspend
Resolves this resource outside a Compose scope using the context provided via KotoseUtilsConfig.androidContext.
Returns null if no context was configured or if neither stringRes nor pluralRes is set.
Non-composable suspend resolution.
On iOS, resolves via NSBundle.localizedStringForKey. On Android, resolves via the context provided through KotoseUtilsConfig.androidContext during setup. Returns null if no context was configured.