PortletSharedSearchContributor - portletSharedSearchSettings.getPortletPreferences() is null when staging is enabled

• Type: Bug
• Status: Closed
• Resolution: Fixed
• Affects Version/s: 7.1.X, 7.2.X, Master
• Fix Version/s: 7.1.10 DXP FP13, 7.1.X, 7.2.10 DXP FP1, 7.2.1 CE GA2, 7.2.X, 7.3.10 DXP GA1, Master
• Component/s: Content Publishing > Staging
• Labels:
  • QA-AUTOMATION
  • ee-ts
  • liferay-fixpack-dxp-1-7210
  • liferay-fixpack-dxp-13-7110
• Branch Version/s:
  7.2.x, 7.1.x
• Backported to Branch:
  Committed
• Fix Priority: 3
• Git Pull Request: https://github.com/brianchandotcom/liferay-portal/pull/75790

Description: 
PortletSharedSearchContributor - portletSharedSearchSettings.getPortletPreferences() is null when staging is enabled

Steps to Reproduce:
1. Start up DXP 7.1
2. Enable Local Live staging with Page Versioning Enabled Public Pages checked
2. Add Search Bar portlet to Home page 
3. Change configuration of Search Bar portlet and change value of "Keywords Parameter Name" to "query" (Default is 'q').
4. Close configuration window and search any keyword in Search Bar Portlet. 

Expected Result: 'query' parameter is appended in the URL
Actual Result: 'q' parameter is appended in the URL

Testing: 
Reproduced in 7.1.x: 852cf7ccc7f3d223731bbe72de29fd4b84fd2803
Reproduced in master: b917c93c2f3499502cab4b346b62c0dfc1160dfd