Add remaining search functionality to paginated lists/tables in backend and frontend

[schlagtim]

This requires search functionality in the backend. Add a search bar on top of each paginated table in the frontend.

• Secure Connections (partner table)
• Credential Issuance (Credentials Your Organization Issued)
• Wallet (Credentials, Documents)
• Proof Exchanges (partner view)
• Credential Exchanges (partner view)
• Schemas