Propose UX improvements for the Distribution Wizard

Make an UX pass on the whole Distribution Wizard steps to identify possible improvements to be made.

Related:

XWIKI-23518

XWIKI-1761

https://jira.xwiki.org/browse/XWIKI-1761?jql=project%20%3D%20XWIKI%20and%20text%20~%22wizard%22%20and%20resolution%20%3D%20Unresolved%20

https://design.xwiki.org/xwiki/bin/view/Proposal/ProposalforImprovementstotheWikiCreationProcess

https://design.xwiki.org/xwiki/bin/view/Proposal/Upgrade/DWNeverButton/

https://design.xwiki.org/xwiki/bin/view/Proposal/OnboardingAnalysis

https://forum.xwiki.org/t/proposals-for-improving-the-onboarding-experience/17524/7

Doc: https://www.xwiki.org/xwiki/bin/view/Documentation/UserGuide/Features/DistributionWizard