Re-Enable mip map filtering on distortion texture to spot if negative values are clamped or not.

Tests/GraphicsTests/RenderPipeline/HDRenderPipeline/CommonAssets/Textures/Distortion/Distord_Test.exr.meta

   serializedVersion: 5
   mipmaps:
     mipMapMode: 0
-    enableMipMap: 0
+    enableMipMap: 1
     sRGBTexture: 0
     linearTexture: 0
     fadeOut: 1