FurShell material: serialize new scale/X-ray properties

Material now stores the shader's new _FurObjScale/_FurScaleInfluence and
X-ray glow properties (template defaults; FurShellRenderer remains the
single source of truth and overrides them live from the painter).

Co-Authored-By: Claude <noreply@anthropic.com>

Assets/Materials/FurShell.mat

@@ -36,6 +36,8 @@ Material:
     - _Curvature: 0.25
     - _Density: 250
     - _DirRandomness: 0.3
+    - _FurObjScale: 1
+    - _FurScaleInfluence: 0.5
     - _FurSoftness: 0.5
     - _FurThreshold: 0
     - _RimPower: 3
@@ -53,9 +55,14 @@ Material:
     - _WindFrequency: 1
     - _WindSpeed: 2
     - _WindStrength: 0.1
+    - _XRayFurStrength: 0.2
+    - _XRayPulseShape: 5
+    - _XRayPulseSpeed: 5
+    - _XRayPulseStrength: 1
     m_Colors:
     - _BaseColor: {r: 0.41999996, g: 0.31999996, b: 0.19999996, a: 1}
     - _TipColor: {r: 0.62, g: 0.52, b: 0.35999998, a: 1}
     - _WindDirection: {r: 1, g: 0, b: 0, a: 0}
+    - _XRayColor: {r: 18.379171, g: 0.18941379, b: 0, a: 0}
   m_BuildTextureStacks: []
   m_AllowLocking: 1