Add missing div id

Signed-off-by: Jérôme Herbinet <33763786+Jerome-Herbinet@users.noreply.github.com>

src/components/GuestList.vue

@@ -1,6 +1,6 @@
 <template>
 	<NcSettingsSection :name="t('guests', 'Guests accounts')">
-		<div v-if="loaded && !error">
+		<div id="guests-list" v-if="loaded && !error">
 			<table v-if="guests.length" class="table">
 				<thead>
 					<tr>