feat: Add support for preAuthentication and add Metabase credentials (#3399)

* ⚡ Add preAuthentication method to credentials

* Improvements

* ⚡ Improvements

* ⚡ Add feedback

* 🔥 Remove comments

* ⚡ Add generic type to autheticate method

* ⚡ Fix typo

* ⚡ Remove console.log and fix indentation

* ⚡ Minor improvements

* ⚡ Expire credentials in every credential test run

Co-authored-by: Jan Oberhauser <jan.oberhauser@gmail.com>

packages/cli/src/api/credentials.api.ts

@@ -6,7 +6,12 @@
 import express from 'express';
 import { In } from 'typeorm';
 import { UserSettings, Credentials } from 'n8n-core';
-import { INodeCredentialTestResult, LoggerProxy } from 'n8n-workflow';
+import {
+	INodeCredentialsDetails,
+	INodeCredentialTestResult,
+	LoggerProxy,
+	WorkflowExecuteMode,
+} from 'n8n-workflow';
 import { getLogger } from '../Logger';
 
 import {
@@ -17,6 +22,7 @@ import {
 	ICredentialsResponse,
 	whereClause,
 	ResponseHelper,
+	CredentialTypes,
 } from '..';
 
 import { RESPONSE_ERROR_MESSAGES } from '../constants';
@@ -130,7 +136,6 @@ credentialsController.post(
 		}
 
 		const helper = new CredentialsHelper(encryptionKey);
-
 		return helper.testCredentials(req.user, credentials.type, credentials, nodeToTestWith);
 	}),
 );