bug(menu): Overflow behaviour does not match the documentation

### 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

14

### Description

The behaviour when a menu button label has a long work (that can't be broken) is different in a newly created app than on the Angular Material demo page.

The `overflow: hidden` on `.mdc-list-item__primary-text` appears to be missing.

Material documentation page edited to make the label longer:


App that copies the same code:


### Reproduction

Steps to reproduce:
1. https://components-issue-5kgmsj.stackblitz.io (this is a copy of the code from the `basic menu` example but with a long label)
2. click to open the menu
3. the label overflows the content instead of getting an ellipsis

### Expected Behavior

Ellipsis

### Actual Behavior

Overflows

### Environment

- Angular: 15.2.3
- CDK/Material: 15.2.3
- Browser(s): all
- Operating System (e.g. Windows, macOS, Ubuntu): mac

Inizia dall’implementazione del menu di Angular Material e dai relativi stili, cercando `.mdc-list-item__primary-text` e l’esempio di menu di base a cui si fa riferimento nel report. Riproduci l’etichetta lunga non divisibile nell’app StackBlitz collegata e confrontala con la demo della documentazione. Il lavoro è completato quando l’etichetta viene troncata con i puntini di sospensione invece di fuoriuscire.

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