Improve Default View and Filtering in DRep Directory

[bosko-m]

Description

To enhance user experience in the DRep directory, the default view should display only active DReps. Users should also have visibility into the applied filters to ensure clarity.

Acceptance Criteria

• Default view of the DRep directory displays only active DReps.
• Users can clearly see which filters are being applied to the directory.

[bosko-m]

CC @m-i-k-e