[Backport 2.8] [Backport master] Fix simple bootstrap

[c2c-bot-gis-ci]

Backport of #9018

Error on cherry picking:
Error on backporting to branch 2.8, error on cherry picking dc3cca3:

To continue do:
git fetch && git checkout backport/9018-to-2.8 && git reset --hard HEAD^
git cherry-pick dc3cca3
git push origin backport/9018-to-2.8 --force

[github-actions]

Examples: https://camptocamp.github.io/ngeo/backport/9018-to-2.8/examples/
Storybook: https://camptocamp.github.io/ngeo/backport/9018-to-2.8/storybook/
API help: https://camptocamp.github.io/ngeo/backport/9018-to-2.8/api/apihelp/apihelp.html
API documentation: https://camptocamp.github.io/ngeo/backport/9018-to-2.8/apidoc/

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