message: Mark tileset dirty when EnableWaterMask is changed
diff: @@ -1147,6 +1147,7 @@ void ACesium3DTileset::PostEditChangeProperty(
  PropName == GET_MEMBER_NAME_CHECKED(ACesium3DTileset, Url) ||
  PropName == GET_MEMBER_NAME_CHECKED(ACesium3DTileset, IonAssetID) ||
  PropName == GET_MEMBER_NAME_CHECKED(ACesium3DTileset, IonAccessToken) ||
  + PropName == GET_MEMBER_NAME_CHECKED(ACesium3DTileset, EnableWaterMask) ||
  PropName == GET_MEMBER_NAME_CHECKED(ACesium3DTileset, Material) ||
  PropName == GET_MEMBER_NAME_CHECKED(ACesium3DTileset, WaterMaterial) ||
  PropName ==
  