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Fix In Review for 2021.3.X



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Issue ID




[Backport] [UI Toolkit] MouseEnterEvent/MouseOutEvent is called repeatedly when using ITransitionAnimations' Scale animation on



How to reproduce:
1. Open the attached project's Scene labeled "SampleScene"
2. Enter the Play Mode
3. Mouse over the Button
4. Inspect the logs in the Console Window

Expected result: MouseEnterEvent/MouseOutEvent is triggered once when hovering over/moving away from the Button
Actual result: MouseEnterEvent/MouseOutEvent is called multiple times

Reproducible with: 1.0.0-preview.14 (2020.3.13f1, 2021.1.14f1), 2021.2.0b1, 2022.1.0a1
Couldn't test with: 2019.4.28f1 (UI Toolkit not available)

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