Issue Summary

When you use a custom icon in an issue type the notifications generated from it display a gray default icon instead of the custom one.

Steps to Reproduce

1. Configure a custom icon in one issue type
2. Generate a notification
   Video:
   https://share.getcloudapp.com/jkuLNDpx

Expected Results

The custom icon should be visible in the notification

Actual Results

A gray default icon is displayed

Workaround

Currently there is no known workaround for this behavior. A workaround will be added here when available