Infinite scroll does not work to load history of visited channels

Description:

Hello,

When you visit a channel and come back to it, you can't load history: infinite scroll not working and you can't get previous messages.

This bug is reproduced on https://open.rocket.chat/ too and it's very annoying!

How can we fix that?

Thank you for your help!

Steps to reproduce:

1. Go to a channel (ie: general)
2. Go to another channel (ie: support)
3. Go back to the previous channel (ie: general)
4. Scroll to the top of the page until older messages are loaded in ajax

Expected behavior:

We are supposed to have infinite scroll as well as a loading animation to retrieve messages older than those displayed on first loading using ajax.

Actual behavior:

Nothing is happening: we are stuck at the top of the page and older messages are not loading.

Note: This works the very first time the channel loads! If you want to retrieve older messages on a channel you have already visited, you must refresh the page.

Server Setup Information:

Version of Rocket.Chat Server: 6.12.1
License Type: Community
Number of Users: 100-500
Operating System: Debian 11
Deployment Method: tar
Number of Running Instances: 1
DB Replicaset Oplog: 1
NodeJS Version: v14.21.3
MongoDB Version: 5.0.21

Client Setup Information

• Desktop App or Browser Version: all latest browsers / applications
• Operating System: MacOS / iOS

Start by reproducing the channel navigation sequence in the issue on the reported Rocket.Chat setup, then inspect the client-side message history and infinite-scroll behavior after returning to a visited channel. Verify that scrolling to the top requests and displays older messages, with the loading animation, without requiring a page refresh.