Fixed spot shadows. Updated template scenes to account for the new shadow filtering.

ImageTemplates/LightweightPipeline/Scenes/016_Lighting_Scene_Directional.unity.png.meta

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ImageTemplates/LightweightPipeline/Scenes/018_Lighting_Scene_DirectionalBakedIndirect.unity.png.meta

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ScriptableRenderPipeline/LightweightPipeline/Shaders/LightweightShadows.cginc

 
 inline half SampleShadowmap(float4 shadowCoord)
 {
-    if (shadowCoord.x <= 0 || shadowCoord.x >= 1 || shadowCoord.y <= 0 || shadowCoord.y >= 1)
+    float3 coord = shadowCoord.xyz /= shadowCoord.w;
+    coord.z = saturate(ApplyDepthBias(coord.z));
+    if (coord.x <= 0 || coord.x >= 1 || coord.y <= 0 || coord.y >= 1)
-    float3 coord = shadowCoord.xyz /= shadowCoord.w;
-    coord.z = ApplyDepthBias(coord.z);
     half4 attenuation;
     attenuation.x = UNITY_SAMPLE_SHADOW(_ShadowMap, coord + _ShadowOffset0.xyz);
     attenuation.y = UNITY_SAMPLE_SHADOW(_ShadowMap, coord + _ShadowOffset1.xyz);
     return dot(attenuation, 0.25);
 #else
     // 1-tap hardware comparison
-    shadowCoord.z = ApplyDepthBias(shadowCoord.z);
-    half attenuation = UNITY_SAMPLE_SHADOW_PROJ(_ShadowMap, shadowCoord);
+    half attenuation = UNITY_SAMPLE_SHADOW(_ShadowMap, coord);
     return lerp(attenuation, 1.0, _ShadowData.x);
 #endif
 }