XWIKI-21774: Admin section: make the panel wizard section pass webstandard tests

[Sereza7]

Jira URL

https://jira.xwiki.org/browse/XWIKI-21774

Changes

Description

• Replaced inline styling with regular style for the panel wizard tooltip
• Removed the comment from the test for the panel wizard

Clarifications

• The inline styling was unecessary, and could easily be replaced with some default styling. This default styling is overrode. Note that later on, inline styling is still added with javascript, but the main objective of this PR is to pass the test.

Executed Tests

• Successfully passed mvn clean install -f xwiki-platform-distribution/xwiki-platform-distribution-flavor/xwiki-platform-distribution-flavor-test/xwiki-platform-distribution-flavor-test-webstandards -Dxwiki.test.startXWiki=false
• With manual test, I made sure that the functionnality still works. The tooltip still appears and disappears without any unexpected behavior.

Expected merging strategy

• Prefers squash: Yes
• Only on master.