`quos()` and `enquos()` with `.named = NULL` use slightly different `names` attributes when there are no names

[DavisVaughan]

attributes(rlang::enquos(.named = NULL))
#> $names
#> character(0)
#> 
#> $class
#> [1] "quosures" "list"
attributes(rlang::quos(.named = NULL))
#> $names
#> NULL
#> 
#> $class
#> [1] "quosures" "list"

^{Created on 2022-10-06 with reprex v2.0.2.9000}