Steps to reproduce:
1. Create a new Unity project
2. In the Hierarchy, create any GameObject
3. Open the Animation window (Window -> Animation -> Animation)
4. With the GameObject selected, click "Create" in the Animation window
5. Open Animator window (Window > Animation > Animator)
6. Create an empty State Node and make sure there’s transition between Entity node > New State node
7. Click on New State node
8. In Inspector window enable Motion Time Parameter
9. Observe the Help Box

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Actual results: The warning icon in the Help box is too big
Expected results: Help box and it’s icon should be updated to the latest design style guide

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Reproducible with versions: 6000.5.0a3

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Tested on (OS): macOS Silicon Tahoe 26.2 (M1)