bug(typography): body-medium and body-small line heights are not accessible #31176

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

To meet criterion 1.4.12 of WCAG 2.1 https://www.w3.org/WAI/WCAG21/Understanding/text-spacing.html body-medium and body-small type should have higher line heights

Current body-medium line height: 20px
Accessible body-medium line height for the same font size: 22px

Current body-small line height: 16px
Accessible body-small line height for the same font size: 18px

Expected Behavior

Accessible line heights for default typography

Actual Behavior

Inaccessible line heights for body-medium and body-small typography

Environment

• Angular: 18
• Material: 3
• Browser(s): Any
• Operating System (e.g. Windows, macOS, Ubuntu): Any