HTML export of E2EE conversation doesn't include edited messages

### Steps to reproduce

1. send a message
2. edit that message
3. export the conversation in HTML
4. view the result: the edited version is not included

### Outcome

#### What did you expect?
Able to see the latest edited version in the exported HTML, with option to view edit history. Just like in Element Web UI.

#### What happened instead?
Can't find edits anywhere in the exported HTML.

### Operating system

Linux

### Application version

1.9.7

### How did you install the app?

package manager

### Homeserver

any

### Will you send logs?

No