Add two new users to the support-services dump

[jahow]

The new users are:

• username: johndoe, password: p4ssworD_
• username: barbie, password: p4ssworD_

Also fixes an import that made the user avatar not show up in the Metadata editor.

[github-actions]

Affected libs: ``,
Affected apps: metadata-editor,

• 🚀 Build and deploy storybook and demo on GitHub Pages
• 📦 Build and push affected docker images

[coveralls]

coverage: 90.777% (+8.4%) from 82.394% when pulling 1b16460 on dump-with-users into 7a84a5b on main.