Bug 33625: Pretty .js files for vue

Bug 33625: Pretty .js files for vue

Test plan:
= Koha =
Apply the first patch, prove xt/vue_tidy.t and notice the failure
Apply this patch, now it passes

= QA test =
Apply the change to the merge request linked with this qa-test-tools' issue:
https://gitlab.com/koha-community/qa-test-tools/-/issues/62
inside your ktd container (at /kohadevbox/qa-test-tools/)
Edit a .js within koha-tmpl/intranet-tmpl/prog/js/vue and a .ts file
(cypress test) with something not pretty
Commit and run the QA script
=> It's failing!
Pretty the change, commit again, run the QA script
=> It's happy!

= KTD - git hook =
Go to the merge request linked with this ktd's issue:
https://gitlab.com/koha-community/koha-testing-docker/-/issues/374
Copy the modified git hook to .git/hooks/ktd/pre-commit
Edit a .js within koha-tmpl/intranet-tmpl/prog/js/vue and a .ts file
(cypress test) with something not pretty
Commit
=> Notice that the commit content is pretty!

Signed-off-by: Martin Renvoize <martin.renvoize@ptfs-europe.com>