Add persistent parameters to filter form as hidden inputs

Filter's form is using `GET` method, so persistent parameters should be included to form as hidden input fields. 
Before this PR, persistent parameters were included only as query params in `action` url and were removed from url after submiting filter.

| Q             | A
| ------------- | ---
| Bug fix?      | yes
| BC breaks?    | no
| Tests pass?   | yes
| License       | MIT