feat(frontend): allow html in form descriptions

[FlorianSDV]

INT-469

[codecov[bot]]

Codecov Report

Attention: Patch coverage is 0% with 2 lines in your changes are missing coverage. Please review.

Project coverage is 45.27%. Comparing base (ccdd452) to head (860aae4).

Files	Patch %	Lines
...s/backend/admin/src/components/pdk/PsFormGroup.vue	0.00%	2 Missing :warning:

Additional details and impacted files

```diff @@ Coverage Diff @@ ## beta #257 +/- ## ======================================= Coverage 45.27% 45.27% ======================================= Files 146 146 Lines 3558 3558 Branches 55 55 ======================================= Hits 1611 1611 Misses 1892 1892 Partials 55 55 ``` | [Flag](https://app.codecov.io/gh/myparcelnl/prestashop/pull/257/flags?src=pr&el=flags&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=myparcelnl) | Coverage Δ | | |---|---|---| | [admin](https://app.codecov.io/gh/myparcelnl/prestashop/pull/257/flags?src=pr&el=flag&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=myparcelnl) | `0.00% <0.00%> (ø)` | | | [backend](https://app.codecov.io/gh/myparcelnl/prestashop/pull/257/flags?src=pr&el=flag&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=myparcelnl) | `74.44% <ø> (ø)` | | | [checkout](https://app.codecov.io/gh/myparcelnl/prestashop/pull/257/flags?src=pr&el=flag&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=myparcelnl) | `0.00% <0.00%> (ø)` | | | [frontend](https://app.codecov.io/gh/myparcelnl/prestashop/pull/257/flags?src=pr&el=flag&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=myparcelnl) | `0.00% <0.00%> (ø)` | | | [unit](https://app.codecov.io/gh/myparcelnl/prestashop/pull/257/flags?src=pr&el=flag&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=myparcelnl) | `45.27% <0.00%> (ø)` | | Flags with carried forward coverage won't be shown. [Click here](https://docs.codecov.io/docs/carryforward-flags?utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=myparcelnl#carryforward-flags-in-the-pull-request-comment) to find out more.

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[myparcel-bot[bot]]

✅ Build successful!

You can find a link to the downloadable artifact below.

Name	Link
Commit	860aae4d0421cf46da9be08adb9f7bc1cddd18f1
Logs	https://github.com/myparcelnl/prestashop/actions/runs/9171007003
Download	https://github.com/myparcelnl/prestashop/suites/24000145799/artifacts/1522016634

[myparcel-bot[bot]]

:tada: This PR is included in version 4.0.0-beta.4 :tada:

The release is available on GitHub release

Your semantic-release bot :package::rocket: