Members List is not refreshed upon user enters/leaves the channel

Description:

When you click on a channel and then at the right bar click on "Members List" icon it will show all the users that are currently in this channel.

If a new users enters the channel, or leaves it, the list remains unchanged.

Workaround: click one time on "Members List" icon (to make the right column disappear) and then click it again.

Steps to reproduce:

1.(User 1) Open the rocketchat desktop app and enter to the public channel "#public" (for instance)
2.(User 1) Click on the "Members List" icon. You will see "User 1"
3.(User 2) Open the rocketchat desktop app and enter to the public channel "#public"

Expected behavior:

The list (see step 2) should show:

User 1
User 2

Actual behavior:

The list (see step 2) should show:

User 1

Server Setup Information:

• Version of Rocket.Chat Server: 0.65
• Operating System: the client is running GNU/Linux Debian buster
• Deployment Method: the server uses rocket.chat:0.65 docker image
• Number of Running Instances: 1
• DB Replicaset Oplog: -
• NodeJS Version: the server runs nodejs 8.9.4
• MongoDB Version: 3.6.3

Additional context

Relevant logs: