"Create New Room" should be "Create new room"

### Steps to reproduce

1. Go to a space where you have room creation rights
2. Go to explore rooms
3. Click the + fab to open up a bottom dialog

### Outcome

#### What did you expect?

First option says "Create new room"

#### What happened instead?

It says "Create New Room"

### Your phone model

Pixel 6 Pro

### Operating system version

Android 12

### Application version and app store

1.4.24-dev

### Homeserver

matrix.org

### Will you send logs?

No

### Are you willing to provide a PR?

Yes