HDRenderPipeline: Fix issue with wind not behaving correctly in shadows

ScriptableRenderPipeline/HDRenderPipeline/Material/Lit/ShaderPass/LitDepthPass.hlsl

 #define ATTRIBUTES_NEED_TANGENT
 #endif
 
+#ifdef _VERTEX_WIND
+#define ATTRIBUTES_NEED_COLOR
+#endif
+
 // About UV
 // If we have a lit shader, only the UV0 is available for opacity or heightmap
 // If we have a layered shader, any UV can be use for this. To reduce the number of variant we groupt UV0/UV1 and UV2/UV3 instead of having variant for UV0/UV1/UV2/UV3

ScriptableRenderPipeline/HDRenderPipeline/Material/Lit/ShaderPass/LitDistortionPass.hlsl

 #define ATTRIBUTES_NEED_TANGENT
 #endif
 
+#ifdef _VERTEX_WIND
+#define ATTRIBUTES_NEED_COLOR
+#endif
+
 // About UV
 // If we have a lit shader, only the UV0 is available for opacity or heightmap
 // If we have a layered shader, any UV can be use for this. To reduce the number of variant we groupt UV0/UV1 and UV2/UV3 instead of having variant for UV0/UV1/UV2/UV3

ScriptableRenderPipeline/HDRenderPipeline/Material/Lit/ShaderPass/LitMetaPass.hlsl

 #define ATTRIBUTES_NEED_TEXCOORD1
 #define ATTRIBUTES_NEED_TEXCOORD2
 
+#ifdef _VERTEX_WIND
+#define ATTRIBUTES_NEED_COLOR
+#endif
+
 #if defined(LAYERED_LIT_SHADER) && (defined(_LAYER_MASK_VERTEX_COLOR_MUL) || defined(_LAYER_MASK_VERTEX_COLOR_ADD))
 #define ATTRIBUTES_NEED_COLOR
 #endif

ScriptableRenderPipeline/HDRenderPipeline/Material/Lit/ShaderPass/LitVelocityPass.hlsl

 #define ATTRIBUTES_NEED_TANGENT
 #endif
 
+#ifdef _VERTEX_WIND
+#define ATTRIBUTES_NEED_COLOR
+#endif
+
 // About UV
 // If we have a lit shader, only the UV0 is available for opacity or heightmap
 // If we have a layered shader, any UV can be use for this. To reduce the number of variant we groupt UV0/UV1 and UV2/UV3 instead of having variant for UV0/UV1/UV2/UV3

ScriptableRenderPipeline/HDRenderPipeline/ShaderPass/VertMesh.hlsl

     vertexColor = input.color;
 #endif
 
-#if _VERTEX_WIND
+#ifdef _VERTEX_WIND
-    ApplyWind(positionWS, normalWS, rootWP, _Stiffness, _Drag, _ShiverDrag, _ShiverDirectionality, _InitialBend, vertexColor.a, _Time);
+    ApplyWind(positionWS, normalWS, rootWP, _Stiffness, _Drag, _ShiverDrag, _ShiverDirectionality, _InitialBend, input.color.a, _Time);
 #endif
 
     positionWS = GetCameraRelativePositionWS(positionWS);