In the epic panel color swatches are not showing just blank icons with e

Issue Summary

In Jira 8.17.1 the epic panel color swatches are not showing. User only sees blank icons with e.

Steps to Reproduce

1. Navigate to Backlog
2. Click on Epics on the left side.
3. You will have a list of your Epics.Click on the three dots to change the Epic color.

Expected Results

Actual Results

Workaround

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