Make format export optional (#40606)

* Make Formatting on Exports Optional

Formatting on exports can be turned off via a middleware key:

`:format-export?` which will control if the 'app style' formatting will be applied to the exported results.
`:format-export? false` will return the file as in previous Metabase versions.

* format_export's default value provided in the QP middleware

Should still default to formatted for v. 49, as the formatting is intended as a feature. This default value should be
provided in a central place, so is added to the middleware and is therefore not necessary for the API to provide a default.

* weird indentation

* Add format_export param to dashboard dashcard query endpoint

* Add format_export option to embedded dashboard downloads endpoint

* Move default true value to the streaming-results-writer impls

* Default true but for real this time

* Add format_export to the public Question endpoint

* Add test to card api

* Dashboard exports endpoint test

* Add test to dashboard embeds

Test still fails and I don't know why yet

* the dangers of println debugging....

Well, I was passing a string false the whole time. Turns out the problem was me

* Public Card downloads endpoint now has format_export and test

* export_format also works for adhoc queries using api/dataset

* Let defendpoint do the boolean parsing

* Embed endpoint should now work too.

* Unify format-rows and format-export middlewares

* Sneaky endpoint!

* In xlsx, always parse temporal strings so that viz-settings formatting is applied

* Snuck in an incomplete change by accident. removed it.

* Can now specify format/no format on subscriptions

* Fix and move migration

* default format rows to true in attachments

* Ok, I think that should actually work for subscriptions.

* Change endpoints to use format_rows instead of confusing format_export

* format_rows everywhere

* Fix more test failures

* redef'd function had wrong signature

* Make format export optional (FE part) (#40643)

* Refactor download URL builder code

Need to handle query `params` and request `body` separately

* Export `useHover` from `metabase/ui`

* Add unformatted export for dashboard cards

* Add unformatted export for saved questions

* Fix POST body encoding

* Add unformatted export for ad-hoc questions

* Ensure `format_export` is always false for Excel

* Add unformatted export to public questions

* Add unformatted export to embedded questions and dashboards

* Fix behavior for PNG format

* Add tests for `QueryDownloadPopover`

* Fix e2e downloads helper (allow URL query params)

* Rework alt key handling

* Add e2e test

* Switch to `format_rows` instead of `format_export`

* Add unformatted export option to subscriptions

* Fix `isHoldingAltKey` initial state

* Rework e2e test to use Total column

* Fix initial checkbox state for subscriptions

* Use "Alt" in tooltip label for Windows/Linux

* Show the subscriptions toggle only for CSV attachments

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Co-authored-by: adam-james <21064735+adam-james-v@users.noreply.github.com>

* Address review feedback

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Co-authored-by: Anton Kulyk <kuliks.anton@gmail.com>