feat(account): Use new filterable function to support filtering

internal/servers/controller/handlers/accounts/account_service.go

@@ -168,7 +168,11 @@ func (s Service) ListAccounts(ctx context.Context, req *pbs.ListAccountsRequest)
 
 		// This comes last so that we can use item fields in the filter after
 		// the allowed fields are populated above
-		if filter.Match(item) {
+		filterable, err := subtypes.Filterable(item)
+		if err != nil {
+			return nil, err
+		}
+		if filter.Match(filterable) {
 			finalItems = append(finalItems, item)
 		}
 	}