Custom Filter parameters aren't seen in the URL despite being applied to searches

• Type: Bug
• Status: Closed
• Resolution: Won't Fix
• Affects Version/s: 7.2.X, Master
• Fix Version/s: None
• Component/s: Search Infrastructure, Web Search > Search Widgets
• Labels: None
• Fix Priority: 3

Steps to reproduce

1. Create a web content titled "apple"
2. Create a web content titled "apple banana"
3. Navigate to the search page: http://localhost:8080/web/guest/search
4. Add a Custom Filter widget with the following:

   Filter Field: title_en_US
   Filter Value: banana
   Filter Query Type: Query String
   Occur: Filter
   Custom Parameter Name: parameter
   

1. Search for "apple"

Expected Result
Expected the filter parameter and value to be seen in the URL since it's being applied to the search results

Actual Result
URL does not contain the custom filter parameter

Reproduced on:
Tomcat 9.0.17 + MySQL 5.7
Portal master GIT ID: b4c0890a995af2912793ee3566ba58125d309ba0