Attempting to have multiple paragraphs in a single numbered bullet point fails

### Steps to reproduce

Write the following into the composer:

```
1. a
2. b

c
```

You should expect to see:

1. a
2. b

c

but instead, you'll get:


### Outcome

#### What did you expect?

To be able to write multiple paragraphs under a single bullet point in markdown.

#### What happened instead?

The paragraphs get squished together.

### Operating system

NixOS Linux

### Application version

Element version: 1.11.35 Olm version: 3.2.14

### How did you install the app?

From https://github.com/NixOS/nixpkgs/

### Homeserver

_No response_

### Will you send logs?

No