Help Center: In the editor open it in a different position

[escapemanuele]

When we click on a link to learn more about a block, the Help Center opens right in front of the link, covering what we were looking at.

We should try to open the Help Center in a different position when opened in the editor with a "Learn More" link, something like this maybe:

[github-actions[bot]]

OpenAI suggested the following labels for this issue:

• [Feature Group] Editor Experience: The issue relates to the experience of users in the Gutenberg editor when accessing the Help Center.
• [Feature] Help Center: The body of the issue specifically mentions the Help Center and its positioning upon opening, which is the focus of the request.
• [Feature] Post/Page Editor: The issue involves the editor interface where users are trying to learn more about blocks, thus connecting it to post and page editing functionalities.