fixing bugs:

1. error formatting caused error on OIDC login
2. sending credentials to OIDC provider

Signed-off-by: Stephan Richter <s.richter@srsoftware.de>

core/src/main/java/de/srsoftware/umbrella/core/exceptions/UmbrellaException.java

@@ -19,7 +19,7 @@ public class UmbrellaException extends RuntimeException{
 	}
 
 	public UmbrellaException(int statusCode, String message, Object ... fills){
-		super(format(message,fills));
+		super(fills == null || fills.length<1 ? message : format(message,fills));
 		this.statusCode = statusCode;
 	}
 

user/src/main/java/de/srsoftware/umbrella/user/UserModule.java

@@ -282,7 +282,7 @@ public class UserModule extends BaseHandler implements UserService {
 		var location = state.config.getString(TOKEN_ENDPOINT);
 
 		try {
-			var data = Map.of(GRANT_TYPE,AUTHORIZATION_CODE, CODE,code,REDIRECT_URI,redirect);
+			var data = Map.of(GRANT_TYPE,AUTHORIZATION_CODE, CODE,code,REDIRECT_URI,redirect,CLIENT_ID,state.loginService.clientId(),CLIENT_SECRET,state.loginService.clientSecret());
 			var resp = request(location,data,MIME_FORM_URL,state.loginService.basicAuth());
 			if (!(resp instanceof JSONObject json)) return sendContent(ex,HTTP_BAD_REQUEST,format("{0} did not return JSON!",location));
 			if (!json.has(ID_TOKEN)) return sendContent(ex,HTTP_FAILED_DEPENDENCY,"Missing ID token – token exchange failed!");