fix(front): state not null error in channel detail page

front/src/views/channels/DetailBase.vue

@@ -106,7 +106,7 @@ const fetchData = async () => {
 
 watch(() => props.id, fetchData, { immediate: true })
 
-const uuid = computed(() => store.state.channels.latestPublication?.channel.uuid)
+const uuid = computed(() => store.state?.channels.latestPublication?.channel.uuid)
 
 watch([uuid, object], ([uuid, object], [lastUuid, lastObject]) => {
   if (object?.uuid && object.uuid === lastObject?.uuid) return