bug(mat-icon-button): icon buttons are not baselined with other types of buttons after changing height and width

### Is this a regression?

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

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

v14

### Description

Icon buttons are not baselined with other types of buttons after changing height and width

v16 (https://stackblitz.com/edit/tzatnc?file=src%2Fstyles.scss,src%2Fapp%2Fbutton-overview-example.css)


v14 (https://stackblitz.com/edit/hgda6s?file=src%2Fstyles.scss,src%2Fapp%2Fbutton-overview-example.html)


### Reproduction

Steps to reproduce:
1. Open [this stackblitz](https://stackblitz.com/edit/tzatnc?file=src%2Fstyles.scss,src%2Fapp%2Fbutton-overview-example.css)
2. Check the UI

### Expected Behavior

Icon Buttons should be baselined with other buttons

### Actual Behavior

Icon Buttons are not baselined with other buttons

### Environment

- Angular: 16
- CDK/Material: 16
- Browser(s): Chrome
- Operating System (e.g. Windows, macOS, Ubuntu): Windows

Reproduce the layout in the linked StackBlitz, starting with src/styles.scss and src/app/button-overview-example.css, and compare it with the v14 example. Confirm how the changed icon-button dimensions affect alignment with other button types; done means icon buttons share the expected baseline.

Written by the indexing model from the issue text.