Add support for providers in InputFilter factory
Add missing unit tests
#7010 - minor CS fixes (spacing)
#7010 - minor CS fixes (no need for prefix `\` in namespaces in strings) - adding `@group` annotations
#7010 - minor CS fixes (alignment, IDE hints)
Merge branch 'feature/#7010-input-filter-factory-build-filters-from-specification-providers' into develop

Close #7010