Describe the Bug:
When using a public URL path prefix, users are unable to toggle between the alert panes.

Steps to Reproduce:

1. make start GOALERT_HTTP_PREFIX=/someprefix
2. Go to http://localhost:3030/someprefix/admin/config
3. Set general public URL as http://example.com/someprefix
4. Go to http://localhost:3030/someprefix/alerts
5. Click on "Closed tab"
6. Observe no change in UI
7. Observe console warning from react-router-dom

Expected Behavior:
Navigate to tab filter

Observed Behavior:
No navigation

Screenshots/Stack Traces:

Application Version:
63093ad7d9b210082d79fadc3d12c1575c68fb3a