Don't unquote past calls to `~` and `function`

[lionel-]

Only from enquo(), it should still be possible to do it from quo() and expr(). This should fix many issues of unexpected evaluation timing, when purrr operations are nested in a mutate.

[lionel-]

https://stackoverflow.com/questions/58420266/how-to-pass-an-expression-to-the-filter-verb-the-tidy-way

[lionel-]

https://stackoverflow.com/questions/59703618/can-you-use-dynamic-column-names-with-tidyeval-in-an-anonymous-function

[lionel-]

https://community.rstudio.com/t/how-to-pass-variable-names-inside-a-tibble-to-a-function/51662/7

[lionel-]

tidyverse/dplyr#5511

[lionel-]

https://stackoverflow.com/questions/65591282/an-object-inside-map-function-is-not-recognized-another-case

[lionel-]

#1328

[DavisVaughan]

tidyverse/dplyr#6931 - note dplyr uses quos()!