Tree Roots are H1

[tiffy74]

Prerequisites

• I have added steps to test this contribution in the description below

If there's an existing issue for this PR then this fixes User management - Coded as H1 but different to other H1s seen on site #64

Description

Sections across the backoffice had a variety of different headings

Previously, if the tree root contained a group it would be tagged with a heading of H1. If the tree root contains multiple groups, then the items would be coded as H5. This resulted in some sections having H5 as the main heading.

This has now been changed so that all tree root headings are H1 and styled the same

Log into Umbraco
Browse to any of the sections
The top level heading in the sidebar should always be H1

[github-actions]

Hi there @tiffy74, thank you for this contribution! 👍

While we wait for one of the Core Collaborators team to have a look at your work, we wanted to let you know about that we have a checklist for some of the things we will consider during review:

• It's clear what problem this is solving, there's a connected issue or a description of what the changes do and how to test them
• The automated tests all pass (see "Checks" tab on this PR)
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• Avoids creating breaking changes; note that behavioral changes might also be perceived as breaking
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If you realize that you might want to make some changes then you can do that by adding new commits to the branch you created for this work and pushing new commits. They should then automatically show up as updates to this pull request.

Thanks, from your friendly Umbraco GitHub bot 🤖 🙂

[tiffy74]

I wasn't sure if this would cause a problem if there were multiple tree nodes. It doesn't according to my tests.

[mikecp]

Thanks @tiffy74 for harmonizing the tree-view titles display 👍
It seems to work all fine indeed 😁

[nul800sebastiaan]

Cherry picked for 10.4.0 4dbd7de