bug(all): Strong focus indicators should only show when the user uses the keyboard to navigate

### Is this a regression?

- [ ] Yes, this behavior used to work in the previous version

### The previous version in which this bug was not present was

_No response_

### Description

https://v12.material.angular.io/guide/theming#strong-focus-indicators

### Reproduction

reproduces in the trivial case

### Expected Behavior

According to guidance we've received from the Material Design team, focus indicators are only expected to be visible when the user has used the keyboard to focus the item

### Actual Behavior

Focus indicators are showing on click

### Environment

- Angular:
- CDK/Material:
- Browser(s):
- Operating System (e.g. Windows, macOS, Ubuntu):

Comienza con la guía enlazada «Strong focus indicators» y reproduce la diferencia entre hacer clic y navegar con el teclado en el caso trivial. Se considera terminado cuando los indicadores de foco aparecen después de la navegación con el teclado, pero no después de hacer clic.

Escrito por el modelo de indexación a partir del texto del issue.