Sonar code smell fixes in web package

[ginoaugustine]

1. Created a new Builder for search helper class and used that for created search helper instance( This was done to reduce number of parameters passed to constructor)
2. Reduced complexity of methods in search helper and utl classes

[ginoaugustine]

Removed double prefix and added a UT class to test these changes

[vladak]

Also, some level of UI testing would be useful for this change, I believe. In particular of the slider for the search results.