Fix issue with Lightloop not using correctly the shadow mask flag

Fix fogbuz https://fogbugz.unity3d.com/f/cases/1010127/

ScriptableRenderPipeline/HDRenderPipeline/HDRP/Editor/Lighting/HDLightEditor.cs

                 EditorGUI.indentLevel++;
                 EditorGUILayout.PropertyField(m_AdditionalLightData.affectDiffuse, s_Styles.affectDiffuse);
                 EditorGUILayout.PropertyField(m_AdditionalLightData.affectSpecular, s_Styles.affectSpecular);
-                EditorGUILayout.PropertyField(m_AdditionalLightData.fadeDistance, s_Styles.fadeDistance);
+                if (m_LightShape != LightShape.Directional)
+                    EditorGUILayout.PropertyField(m_AdditionalLightData.fadeDistance, s_Styles.fadeDistance);
-                EditorGUILayout.PropertyField(m_AdditionalLightData.applyRangeAttenuation, s_Styles.applyRangeAttenuation);
+                if (m_LightShape != LightShape.Directional)
+                    EditorGUILayout.PropertyField(m_AdditionalLightData.applyRangeAttenuation, s_Styles.applyRangeAttenuation);
                 EditorGUI.indentLevel--;
             }
 

ScriptableRenderPipeline/HDRenderPipeline/HDRP/HDRenderPipeline.cs

                     bool enableBakeShadowMask;
                     using (new ProfilingSample(cmd, "TP_PrepareLightsForGPU", CustomSamplerId.TPPrepareLightsForGPU.GetSampler()))
                     {
-                        enableBakeShadowMask = m_LightLoop.PrepareLightsForGPU(cmd, camera, m_ShadowSettings, m_CullResults, m_ReflectionProbeCullResults, densityVolumes) && hdCamera.frameSettings.enableShadowMask;
+                        enableBakeShadowMask = m_LightLoop.PrepareLightsForGPU(cmd, hdCamera, m_ShadowSettings, m_CullResults, m_ReflectionProbeCullResults, densityVolumes);
                     }
                     ConfigureForShadowMask(enableBakeShadowMask, cmd);
 

ScriptableRenderPipeline/HDRenderPipeline/HDRP/Lighting/LightLoop/LightLoop.cs

         }
 
         // Return true if BakedShadowMask are enabled
-        public bool PrepareLightsForGPU(CommandBuffer cmd, Camera camera, ShadowSettings shadowSettings, CullResults cullResults,
+        public bool PrepareLightsForGPU(CommandBuffer cmd, HDCamera hdCamera, ShadowSettings shadowSettings, CullResults cullResults,
+                Camera camera = hdCamera.camera;
+
                 // If any light require it, we need to enabled bake shadow mask feature
                 m_enableBakeShadowMask = false;
                 m_maxShadowDistance = shadowSettings.maxShadowDistance;
                 }
 
                 UpdateDataBuffers();
+            }
-                return m_enableBakeShadowMask;
-            }
+            m_enableBakeShadowMask = m_enableBakeShadowMask && hdCamera.frameSettings.enableShadowMask;
+
+            return m_enableBakeShadowMask;
         }
 
         static float CalculateProbeLogVolume(Bounds bounds)