Fix list-group clickable; Fix navigation-item initial state (#14637)

Co-authored-by: Rijk van Zanten <rijkvanzanten@me.com>

app/src/components/v-list-group.vue

@@ -8,7 +8,7 @@
 			:query="query"
 			:disabled="disabled"
 			:dense="dense"
-			clickable
+			:clickable="Boolean(clickable || to || !open)"
 			@click="onClick"
 		>
 			<v-list-item-icon

app/src/modules/content/components/navigation-item.vue

@@ -6,6 +6,7 @@
 		scope="content-navigation"
 		:value="collection.collection"
 		query
+		:open="collection.meta?.collapse === 'locked'"
 		:arrow-placement="collection.meta?.collapse === 'locked' ? false : 'after'"
 	>
 		<template #activator>
@@ -16,7 +17,6 @@
 				:color="collection.meta?.color"
 			/>
 		</template>
-
 		<navigation-item
 			v-for="childCollection in childCollections"
 			:key="childCollection.collection"