Fix a php JS pagination, sorting, filter

Fix your pagination, sorting, filter

To identify errors of pagination and filters, Ajax

Are implemented on the site page types:
- end category
the search results page
static page of search results.

These pages are managed in the file search.php

Need to fix sorting to work, filters, pagination.

Samopisny script
PHP Version 7.3.12
MySQL Version 5.7.27-log
Sphinx 2.2.11-id64-release (95ae9a6)

Waiting for a request for review with the technical specifications.