bug(slide-toggle): no remaining focus if clicked on non active toggle

### 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

if a non focused toggle is clicked, there is no remaining focus - bad if keyboard control is used afterwards.
However if the label is clicked instead, the remaining focus works.

### Reproduction

Steps to reproduce:
1. https://material.angular.io/components/slide-toggle/overview
2. click on not focused toggle vs click on not focused label

### Expected Behavior

remaining focus should appear on click on a non focused toggle

### Actual Behavior

no remaining focus on click on a not already focused toggle

### Environment

- Angular: 15.1.1
- CDK/Material: 15.1.1
- Browser(s): all
- Operating System (e.g. Windows, macOS, Ubuntu): all

Reproduce el comportamiento en la URL de descripción general de slide-toggle comparando un clic en un toggle que no tiene el foco con un clic en su etiqueta. Rastrea la gestión del foco de slide-toggle y verifica que hacer clic en un toggle que no tiene el foco mantenga el foco de teclado visible, preservando al mismo tiempo el comportamiento existente de la etiqueta.

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