fix(mssql-driver): Fix domain passed as an empty string case: ConnectionError: Login failed. The login is from an untrusted domain and cannot be used with Windows authentication

Author: paveltiunov

packages/cubejs-mssql-driver/driver/MSSqlDriver.js

@@ -10,7 +10,8 @@ class MSSqlDriver extends BaseDriver {
       port: process.env.CUBEJS_DB_PORT && parseInt(process.env.CUBEJS_DB_PORT, 10),
       user: process.env.CUBEJS_DB_USER,
       password: process.env.CUBEJS_DB_PASS,
-      domain: process.env.CUBEJS_DB_DOMAIN,
+      domain: process.env.CUBEJS_DB_DOMAIN && process.env.CUBEJS_DB_DOMAIN.trim().length > 0 ?
+        process.env.CUBEJS_DB_DOMAIN : undefined,
       requestTimeout: 10 * 60 * 1000, // 10 minutes
       options: {
         encrypt: !!process.env.CUBEJS_DB_SSL || false