The default search box not getting replaced by plugin search box

Here is the trick, to make it work.

1. First install the plugin wp-fastest-search and setup the siteid
2. Add the search box wherever you want.

It works

Yes when you go to the code section, you will find the code that adds the search box to a place where you desire it to be.
https://cse.expertrec.com/csedashboard/home/code