Search Tuning navigation bar disappears after adding a Synonym Set

• Type: Bug
• Status: Closed
• Resolution: No Longer Reproducible
• Affects Version/s: 7.2.X, Master
• Fix Version/s: None
• Component/s: Web Search > Search Admin
• Labels: None
• Story Points: 1
• Fix Priority: 3
• Epic Link: Search Tuning: Synonyms
• Sprint: Search | S03 Sprint 3
• Git Pull Request: https://github.com/brandizzi/liferay-portal-ee/pull/125

Steps to reproduce:

1. Navigate to Control Panel > Configuration > Search Tuning
2. Add a new synonym set entry

Actual results: The navigation bar disappears. Navigating away from the Search Tuning portlet and back resolves the issue.

Reproduced on:
Portal master-private Git ID: 8aa8225ed15f83a47db04881c98b101d9cf07baf