IA Breadcrumb: selected section disappears from a breadcrumb after clicking the tab for a second time

User impact:
User can't see the selected section in a breadcrumb if the tab was selected for a second time

Steps to reproduce:

1. Enable IA
2. Open Integrated Alerting page --> Alerts tab is selected and breadcrumb shows Integrated Alerting / Alerts
3. Click on the Alerts tab again

Actual result:
Breadcrumb shows Integrated Alerting

Expected result:

Breadcrumb should show Integrated Alerting / Alerts