perf: complete performance audit optimizations

frontend/src/views/AdminBusStops.vue

@@ -51,7 +51,8 @@ import { ref, onMounted } from 'vue'
 import { useRouter } from 'vue-router'
 import { busStopsService } from '@/services/busStopsService'
 import type { BusStop } from '@/types'
-import BusStopEditor from '@/components/BusStopEditor.vue'
+import { defineAsyncComponent } from 'vue'
+const BusStopEditor = defineAsyncComponent(() => import('@/components/BusStopEditor.vue'))
 
 const router = useRouter()
 const stops = ref<BusStop[]>([])