Steps to reproduce the issue

Select in Contacts Options an Image:

Expected result

Image is shown in every contact on frontend.

Actual result

Image is not shown in any contact on frontend.

System information (as much as possible)

PHP Built On Linux lamp302.cloudaccess.net 3.10.0-962.3.2.lve1.5.81.el6h.x86_64 #1 SMP Wed May 31 12:07:35 UTC 2023 x86_64
Database Type mysql
Database Version 8.0.34-cll-lve
Database Collation utf8mb4_general_ci
Database Connection Collation utf8mb4_0900_ai_ci
Database Connection Encryption None
Database Server Supports Connection Encryption Yes
PHP Version 8.1.24
Web Server Apache
WebServer to PHP Interface cgi-fcgi
Joomla! Version Joomla! 5.0.0 Stable [ Kuboresha ] 17-October-2023 16:00 GMT
Joomla Backward Compatibility Plugin Enabled (classes_aliases:"1", es5_assets:"1")
User Agent Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:109.0) Gecko/20100101 Firefox/119.0

Additional comments

1. No Menu is used for a contact
2. No Image is selected in a contact itself
3. Contacts are assigned to users.

My guess was the image selected in contact options is used as placeholder for every contact as long as a single contact don't have an own image selected.