Avatar Group bug and documentation improvements

[InnaAtanasova]

1. xs small size for Avatars is not working as expected. It's supposed to be a circle:

2. Should provide in the documentation an example of how to recreate the 2 column layout that we used to have before in the overflow popover body.

Before:

Now:

[artolshansky]

1. Discussed, leave it as it is
2. Needs additional info in visual specs

[manjunathanagaraj]

based on above comments removing label 0.31. cc: @droshev

[artolshansky]

Still have no specs for overflow popover in the Avatar Group component (cc: @droshev @InnaAtanasova)

[InnaAtanasova]

For point 1:

As discussed with Artur, no changes are needed. For more information: https://experience.sap.com/fiori-design-web/avatar-group/

For point 2: No update in the visual specs as of today. The problem is that UI5 have this example in their demo app and developers are requesting the same behaviour in Fund-ngx:

[artolshansky]

No specs for overflow popover in the Avatar Group. Could someone ask about it from the design team? cc: @manjunathanagaraj

[manu-kr]

Specs are not updated yet for overflow popover in the Avatar Group. cc: @manjunathanagaraj

[manu-kr]

Dropped a email for this and waiting for the Fiori3 team response.