Fix no username issues

cmd/rdpgw/config/configuration.go

@@ -94,7 +94,7 @@ type ClientConfig struct {
 	// kept for backwards compatibility
 	UsernameTemplate string `koanf:"usernametemplate"`
 	SplitUserDomain  bool   `koanf:"splituserdomain"`
-	NoUsername string `koanf:"nousername"`
+	NoUsername       bool   `koanf:"nousername"`
 }
 
 func ToCamel(s string) string {

cmd/rdpgw/web/web.go

@@ -211,7 +211,7 @@ func (h *Handler) HandleDownload(w http.ResponseWriter, r *http.Request) {
 		}
 	}
 
-	if !NoUsername {
+	if !h.rdpOpts.NoUsername {
 		d.Settings.Username = render
 		if domain != "" {
 			d.Settings.Domain = domain