Replace layout table in user list with semantic HTML for accessibility

[Farcasut]

Is your feature request related to a problem? Please describe or add steps to reproduce your use case.
The user list macro currently uses an HTML

purely for layout (avatar + username columns). This is not tabular data and cause screen readers to interpret this as a data table and announce row/column information, creating unnecessary cognitive overhead for users relying on assistive technologies. Also the alt and the title is the same which can cause problems for the screen readers

Describe the solution you'd like
Use a grid/flex layout to display the columns.

Describe alternatives you've considered
A clear and concise description of any alternative solutions or features you've considered.

Additional context
Add any other context or screenshots about the feature request here.

[Farcasut]

Sadly we can not do too much about it from our side because the macro uses
String html = htmlDisplayerManager.display(UserReferenceList.class, users, params, "view"); to display the user