feat: show a console message when using construct_clip()

[wurli]

Closes #486

NB, I had some test failures when running locally, but I think they must be due to differences with my setup because they were all about where linebreaks are placed. Here's an example:

Failure ([test-s3-R6ClassGenerator.R:2:3](vscode-file://vscode-app/Applications/Positron.app/Contents/Resources/app/out/vs/code/electron-sandbox/workbench/workbench.html#)): R6Class
Snapshot of code has changed:
     old                                                        | new                                                  
[54]     ),                                                     |     ),                                           [54]
[55]     private = list(                                        |     private = list(                              [55]
[56]       queue = list(),                                      |       queue = list(),                            [56]
[57]       length = (function() base::length(private$queue)) |> -       length = (function() base::length(private$ [57]
                                                                -         queue)) |>                               [58]
[58]         (`environment<-`)(                                 |         (`environment<-`)(                       [59]
[59]           constructive::.env(                              |           constructive::.env(                    [60]
[60]             "0x123456789",                                 |             "0x123456789",                       [61]

I assume these won't show up in the CI tests. I'll investigate further when I get a chance.

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[moodymudskipper]

Thanks! just a minor adjustment and it's good to go!

[wurli]

Nice :) What's the adjustment? One for me to make?