Steps to reproduce:
- Create admin user (add email media type)
- Set RW permissions on host group
- Add Action for this user, add acknowledge operations with option "Notify all involved"
- Make trigger in PROBLEM state
- As super admin acknowledge event
- Open event popup on Problem page
Result: In popup two notifications, from "Problem" and from "Acknowledge". If open Event details in "Message actions" block only one message from "Problem"
Expected: Acknowledge notifications not visible in popup