Search Bar Portlet: new keywords after 1st search must preserve all facet selections (same as classic Search Portlet)

• Type: Bug
• Status: Closed
• Resolution: Fixed
• Affects Version/s: Master
• Fix Version/s: 7.1.X, Master
• Component/s: Web Search > Search Widgets
• Labels:
  • INACTIVE
  • QA-AUTOMATION
  • QA-V
  • fw_test_js
• Fix Priority: 3
• Epic Link: Search Widgets
• Git Pull Request: https://github.com/brianchandotcom/liferay-portal/pull/58714

Steps to reproduce

1. Add a page with Search Bar, Search Results and Site Facet.
2. Search for *. A search is performed and results appear.
3. In the Site Facet, select `Liferay`.
4. In the Search Bar, search for test.

Expected: a search is performed and `Liferay` remains selected.
Observed: a search is performed but Site Facet becomes unselected again.