Missing chunks of messages in the main timeline view

### Steps to reproduce

I click on a room's name, which focuses on its timeline.

### Outcome

#### What did you expect?

messages to show up

#### What happened instead?

some messages didn't show up, as confirmed by opening Fractal and seeing the messages there

### Operating system

Arch Linux btw

### Browser information

Firefox Dev Edition 144.0.b9

### URL for webapp

https://develop.element.io/

### Application version

Element version: 34fc921cd3de-js-d1d9aba745c7 Crypto version: Rust SDK 0.14.0 (c3b7918), Vodozemac 0.9.0

### Homeserver

whatever element.io (internal) is using

### Will you send logs?

Yes