fix: lint errors in handle_acls.go and acl.tsx

Remove trailing newline in handle_acls.go (gci).
Use type-only import for ConnectError in acl.tsx.

Author: c-julin

backend/pkg/api/handle_acls.go

@@ -96,4 +96,3 @@ func (api *API) handleGetACLsOverview() http.HandlerFunc {
 		rest.SendResponse(w, r, api.Logger, http.StatusOK, res)
 	}
 }
-

frontend/src/react-query/api/acl.tsx

@@ -1,6 +1,6 @@
 import { create } from '@bufbuild/protobuf';
 import type { GenMessage } from '@bufbuild/protobuf/codegenv1';
-import { ConnectError } from '@connectrpc/connect';
+import type { ConnectError } from '@connectrpc/connect';
 import { createConnectQueryKey, type UseMutationOptions, useMutation, useQuery } from '@connectrpc/connect-query';
 import { useQueryClient } from '@tanstack/react-query';
 import {