Fix #5722 Make SearchForm2.php customizable

[pgorod]

Description

Fixes #5722 making SearchForm2.php customizable

How To Test This

See Issue

Types of changes

• [X] Bug fix (non-breaking change which fixes an issue)
• [ ] New feature (non-breaking change which adds functionality)
• [ ] Breaking change (fix or feature that would cause existing functionality to change)

Final checklist

• [X] My code follows the code style of this project found here.
• [ ] My change requires a change to the documentation.
• [X] I have read the How to Contribute guidelines.