Dollar sign treated as link to matrix room

### Steps to reproduce

Typing a dollar value like $10

### Outcome

#### What did you expect?

The dollar value is not highlighted, which was previous behavior and element desktop behavior

#### What happened instead?

causes it to be treated as a link to matrix.to/#/$10, which is invalid

### Your phone model

_No response_

### Operating system version

_No response_

### Application version and app store

Version 1.6.44 [40106442] (G-e1cbf9c0)

### Homeserver

matrix.org

### Will you send logs?

Yes

### Are you willing to provide a PR?

No