change event of headpat

### Describe the bug

change msgtype to `m.text`



### Reproduction

_No response_

### Expected behavior

something like:

```json
{
  "body": "pats @user",
  "msgtype": "m.emote",
  "fyi.cisnt.headpat": true
}
```

### Platform and versions

```shell
current sable
```

### Additional context

will do that myself, this is for tracking progress