feat: show live class joining and leaving time in attendance list

frontend/src/pages/Jobs.vue

@@ -122,9 +122,6 @@ onMounted(() => {
 const jobs = createResource({
 	url: 'lms.lms.api.get_job_opportunities',
 	cache: ['jobs'],
-	onSuccess(data) {
-		jobCount.value = data.length
-	},
 })
 
 const updateJobs = () => {
@@ -169,6 +166,10 @@ watch(country, (val) => {
 	updateJobs()
 })
 
+watch(jobs, () => {
+	jobCount.value = jobs.data?.length || 0
+})
+
 const jobTypes = computed(() => {
 	return [
 		'',