fix: bug in server configuration defaults when enabling production mode through config file

In production nmode the defaults of several server configuration options should change to be more restrictive. When enabling production mode in a configuration file this would not happen.

server/irmad/cmd/root.go

@@ -190,6 +190,9 @@ func configure(cmd *cobra.Command) error {
 	mode := "development"
 	if viper.GetBool("production") {
 		mode = "production"
+		viper.SetDefault("no-auth", false)
+		viper.SetDefault("no-email", false)
+		viper.SetDefault("url", "")
 	}
 	logger.WithFields(logrus.Fields{
 		"version":   irma.Version,
@@ -319,7 +322,7 @@ func handlePermission(typ string) []string {
 func productionMode() bool {
 	for i, arg := range os.Args {
 		if arg == "--production" {
-			if len(os.Args) == i+1 || strings.HasPrefix(os.Args[i+1], "--") {
+			if len(os.Args) == i+1 || strings.HasPrefix(os.Args[i+1], "-") {
 				return true
 			}
 			if checkConfVal(os.Args[i+1]) {