Fix min limit of fade distance in light editor

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

 
             if (EditorGUI.EndChangeCheck())
             {
+                m_AdditionalLightData.fadeDistance.floatValue = Mathf.Max(m_AdditionalLightData.fadeDistance.floatValue, 0.01f);
                 ((Light)target).SetLightDirty(); // Should be apply only to parameter that's affect GI, but make the code cleaner
             }
         }