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):

Inizia dalla guida collegata «Strong focus indicators» e riproduci la differenza tra fare clic e navigare da tastiera nel caso banale. Il lavoro è completato quando gli indicatori di focus vengono visualizzati dopo la navigazione da tastiera, ma non dopo un clic.

Scritto dal modello di indicizzazione a partire dal testo della issue.