[Filtering] Respect filtering feature flags

[timgrein]

Closes https://github.com/elastic/enterprise-search-team/issues/3658

This PR introduces the capability to the framework to not schedule filtering validation tasks if all filtering features are disabled. It also skips this validation and filtering with basic rules in a sync job if all filtering features are disabled. If filtering with basic rules is disabled but filtering with the advanced rules is enabled it stills executes the validation in the sync job without applying basic rule filtering.

Checklists

Pre-Review Checklist

• [x] Covered the changes with automated tests
• [x] Tested the changes locally

[github-actions[bot]]

💔 Failed to create backport PR(s)

The backport operation could not be completed due to the following error: There are no branches to backport to. Aborting.

The backport PRs will be merged automatically after passing CI.

To backport manually run: backport --pr 511 --autoMerge --autoMergeMethod squash