[md-fab] style cursor: pointer isn't working

### What is affected?

Theming

### Description

Trying to set the fab style doesn't change cursor on hover.

### Reproduction

set style to

`md-fab {
        cursor: pointer;
}`

### Workaround

not found a workaround

### Is this a regression?

No or unsure. This never worked, or I haven't tried before.

### Affected versions

1.0.0

### Browser/OS/Node environment

Chrome 117