[PlanarReflection] Restored 2D Texture sampling for planar reflection

ScriptableRenderPipeline/HDRenderPipeline/HDRP/Lighting/LightLoop/LightLoopDef.hlsl

     // This code will be inlined as lightLoopContext is hardcoded in the light loop
     if (lightLoopContext.sampleReflection == SINGLE_PASS_CONTEXT_SAMPLE_REFLECTION_PROBES)
     {
-//        if (cacheType == ENVCACHETYPE_TEXTURE2D)
-//        {
-//            //_Env2DCaptureVP is in capture space
-//            float4 ndc = ComputeClipSpaceCoordinates(texCoord, _Env2DCaptureVP[index]);
-//            ndc *= rcp(ndc.w);
-//            ndc.xy = ndc.xy * 0.5 + 0.5;
-//
-//            float4 color = SAMPLE_TEXTURE2D_ARRAY_LOD(_Env2DTextures, s_trilinear_clamp_sampler, ndc.xy, index, 0);
-//            color.a = any(ndc.xyz < 0) || any(ndc.xyz > 1) ? 0 : 1;
-//            
-//#ifdef DEBUG_DISPLAY
-//            if (_DebugLightingMode == DEBUGLIGHTINGMODE_ENVIRONMENT_PROXY_VOLUME)
-//                return ApplyDebugProjectionVolume(color, texCoord, _DebugEnvironmentProxyDepthScale);
-//#endif
-//            /*return float4(
-//                (ndc.xyz > 0.5) * 0.5 + color.rgb * 0.5,
-//                color.a);*/
-//            return color;
-//        }
-        //else if (cacheType == ENVCACHETYPE_CUBEMAP)
+        if (cacheType == ENVCACHETYPE_TEXTURE2D)
+        {
+            //_Env2DCaptureVP is in capture space
+            float4 ndc = ComputeClipSpaceCoordinates(texCoord, _Env2DCaptureVP[index]);
+            ndc *= rcp(ndc.w);
+            ndc.xy = ndc.xy * 0.5 + 0.5;
+
+            float4 color = SAMPLE_TEXTURE2D_ARRAY_LOD(_Env2DTextures, s_trilinear_clamp_sampler, ndc.xy, index, 0);
+            color.a = any(ndc.xyz < 0) || any(ndc.xyz > 1) ? 0 : 1;
+            
+#ifdef DEBUG_DISPLAY
+            if (_DebugLightingMode == DEBUGLIGHTINGMODE_ENVIRONMENT_PROXY_VOLUME)
+                return ApplyDebugProjectionVolume(color, texCoord, _DebugEnvironmentProxyDepthScale);
+#endif
+            return color;
+        }
+        else if (cacheType == ENVCACHETYPE_CUBEMAP)
         {
             float4 color = SAMPLE_TEXTURECUBE_ARRAY_LOD_ABSTRACT(_EnvCubemapTextures, s_trilinear_clamp_sampler, texCoord, index, lod);
             color.a = 1;