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

リンク先の StackBlitz のレイアウトを、src/styles.scss と src/app/button-overview-example.css から始めて再現し、v14 の例と比較してください。変更した icon-button の寸法が他のボタン種別との配置にどのような影響を与えるかを確認してください。icon-button が想定されるベースラインを共有すれば完了です。

索引モデルが issue の本文から書いたものです。