Fixed Group Banner Not Showing For Unregistered/Unconfirmed User Group

Affected version
I have added 'Guest' in user banner text for Unregistered/Unconfirmed User Group, but the banner is not showing. Banner of other user group are showing.

Here is the example

Group banner is showing for member group user

member banner.png

But not showing for guest poster


Is it a bug or I am missing something, please check.