Refactor material shaders to use separate constant buffer (slot 1) for shared per-view constants

Content/Editor/MaterialTemplates/VolumeParticle.shader

@@ -2,6 +2,7 @@
 // Version: @0
 
 #define MATERIAL 1
+#define USE_PER_VIEW_CONSTANTS 1
 @3
 
 #include "./Flax/Common.hlsl"
@@ -11,17 +12,9 @@
 
 // Primary constant buffer (with additional material parameters)
 META_CB_BEGIN(0, Data)
-float4x4 ViewProjectionMatrix;
 float4x4 InverseViewProjectionMatrix;
-float4x4 ViewMatrix;
 float4x4 WorldMatrix;
 float4x4 WorldMatrixInverseTransposed;
-float3 ViewPos;
-float ViewFar;
-float3 ViewDir;
-float TimeParam;
-float4 ViewInfo;
-float4 ScreenSize;
 float3 GridSize;
 float PerInstanceRandom;
 float Dummy0;