How to reproduce:
1. Open the attached “IN-134445” project
2. Open the scene “SampleScene”
3. Enter Play mode
4. Press the green "Toggle UI Animations" button
5. Observe the Game View

Actual result: “FadeIn” animation is delayed on labels that have "style first” in the text
Expected result: “FadeIn” animation is delayed on both labels that have "style first” and "opacity first” in the text

Reproducible with: 2023.1.0a1, 6000.0.68f1, 6000.3.9f1, 6000.4.0b9, 6000.5.0a7

Reproducible on: Windows 10 (by user), Windows 11
Not reproducible on: No other environments tested

Notes:
- Labels where “scale first” is written in the parentheses has “scale” action written before the “opacity” action in the transition-property of the Styles.uss
- Labels where “opacity first” is written in the parentheses has “opacity” action written before the “scale” action in the transition-property of the Styles.uss