LDAP sync user email : imported as Buffer, cause error during sync

Description:

Error when LDAP sync for new user. Email seems to be imported as Buffer object not as string when importing from LDAP record.

Server Setup Information:

• Version of Rocket.Chat Server: 0.71.1 (already since 0.69.3)
• Operating System: Centos 7.5
• Deployment Method: tar
• Number of Running Instances: 1
• DB Replicaset Oplog:
• NodeJS Version: 8.11.3
• MongoDB Version: 2.6.12

Relevant logs:

debug New user data { username: 'yyyyy', email: <Buffer xx xx xx ...> }
I20181108-14:32:50.238(1) rocketchat_logger rocketchat_logger.js:278 LDAPSync ➔ error Error creating user { Error: Match error: Expected string, got object in field email at check (/opt/Rocket.Chat/programs/server/packages/check.js:68:17) at createUser (/opt/Rocket.Chat/programs/server/packages/accounts-password.js:1215:3) at AccountsServer.Accounts.createUser (/opt/Rocket.Chat/programs/server/packages/accounts-password.js:1302:10) at addLdapUser (/opt/Rocket.Chat/programs/server/packages/rocketchat_ldap.js:1290:31)