Fix many bone ik yellow shader for kusudamas

[fire]

Describe the bug
Fix many bone ik yellow shader for kusudamas

To Reproduce
Steps to reproduce the behavior:

1. Launch xr headset
2. Install VRM addon
3. Import a VRM
4. Add a many bone ik under the skeleton.
5. Add root, add hips, add chest pins
6. Add chest constraint and watch the shader being grey instead of yellow

Expected behavior

watch the kusudama shader being yellow

Screenshots
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Soon.

Desktop (please complete the following information):

• OS: android meta quest
• Browser android meta quest
• Version [e.g. 22]

Smartphone (please complete the following information):

• Device: [e.g. iPhone6]
• OS: [e.g. iOS8.1]
• Browser [e.g. stock browser, safari]
• Version [e.g. 22]

Additional context
Add any other context about the problem here.