anonymous does not receive direct messages from non anonymous user

Description:

non-anonymous user sends a direct message to an anonymous user, it shows on the left-hand bar but is never shown in chat window as a message. also, dm window does not load on 1st click for anonymous user.

Steps to reproduce:

1. send message to an anonymous user
2. message will be seen in the left-hand bar but not main messages for direct message.

Expected behavior:

should receive a direct message as a message in direct chat.

Actual behavior:

the message will be seen in the left-hand bar but not main messages for direct message.

Server Setup Information:

• Version of Rocket.Chat Server: 3.7.0-develop
• Operating System: Linux
• Deployment Method: tar
• Number of Running Instances: 1
• DB Replicaset Oplog: y
• NodeJS Version: 12
• MongoDB Version: n/a

Client Setup Information

• Desktop App or Browser Version: Chrome
• Operating System: MacOS

Additional context

n/a

Relevant logs:

n/a

Start by reproducing the direct-message flow in Chrome with a non-anonymous sender and anonymous recipient. Trace the direct-message window and its first-click loading behavior from the sidebar; done means the window opens on the first click and the incoming message appears in the chat.