Create channel - username and alias is not presented on add users dropdown

[emikolajczak]

Description:

After upgrade to 3.13.0 nickname and username are not presented on Add Memebers dropdown during Create Channel. It is confuisng in case when two people have same first and last name. Is it possible to add username and nickname back?
It can be similar as during creation multi user direct message.

Steps to reproduce:

1. Go to create New Channel
2. Check Add Members drop down
3. Username and nick name are not presented for users

Expected behavior:

Username and nick name are presented for users

Actual behavior:

Username and nick name are not presented for users

Server Setup Information:

• Version of Rocket.Chat Server: 3.13.0
• Operating System: Centos7
• Deployment Method: docker-compose
• Number of Running Instances: 31
• DB Replicaset Oplog: YES
• NodeJS Version: v12.21.0
• MongoDB Version: 4.0.13

Client Setup Information

• Desktop App or Browser Version: booth
• Operating System: Windows 10

Additional context

Relevant logs: