[BUG] Bones affected by gravity twitch when the character is stationary.

[AnalogKnight]

不具合の説明 - Describe the bug
A gravity-affected bone will twitch whenever any of the following conditions are met:

1. Stiffness is greater than 0.
2. A collider is in contact with the bone.
3. Valid Bone Constraints are present.

** 再現手順 - To Reproduce**

1. Open Sample Project
2. Open ABP_Kano_KawaiiPhysics
3. Break connection of the anim sequence
4. See error

** 期待される動作 - Expected behavior**
When the character is stationary, the skeleton should remain still.

** 再現環境 - Environment
Engine version : 5.7.4
Plugin version : 1.20.0
BP Only? Use C++?: BP Only

スクリーンショット または動画 - Screenshots or Movies
https://github.com/user-attachments/assets/df1bf108-508f-4ec1-b04e-a95f95541c71

その他 - Additional context
問題に関するその他の内容はここに記載してください。
Add any other context about the problem here.

[syhurr]

I can see that error, too.