Reproduction steps:
1. Create a new project
2. Create a new UI Document and open it
3. Place a button in the UI Document
4. Select the button
5. Set “Inlined Styles\Text\Size” from “px” to “%” through the Inspector
6. Resize the button through the Viewport window

Expected result: the button's text is scaled relatively to the size of the button
Actual result: the button's text is not scaled

Reproducible with: 2021.3.26f1, 2022.3.0f1, 2023.1.0b19, 2023.2.0a18

Reproducible on: macOS Ventura 13.2.1 (Intel), Windows 11 (by the reporter)