fix: Add 'use client' directive to EVSESList component

EVSESList uses React hooks (useState, useEffect, useOne) but was missing
the 'use client' directive, causing it to be treated as a Server Component
where hooks are not available.

tools/citrineos-core-main/apps/operator-ui/src/lib/client/pages/charging-stations/detail/evses/evses.list.tsx

@@ -1,6 +1,7 @@
 // SPDX-FileCopyrightText: 2025 Contributors to the CitrineOS Project
 //
 // SPDX-License-Identifier: Apache-2.0
+'use client';
 
 import { ChevronDown } from 'lucide-react';
 import type { ChargingStationDto, ConnectorDto, EvseDto } from '@citrineos/base';