JIRA's base URL is set to undefined on Wallboard

Summary

When accessing a wallboard, Jira triggers a warning message about "JIRA's base URL is set to undefined but you are accessing JIRA from http://localhost:8080"

Steps to Reproduce

Access a dashboard
Change the view to wallboard

Actual Results

Application triggers a warning message such as the example below.

Expected results

The warning shouldn't be triggered

Workaround

Dismiss the warning