Fix duplicate keys

frontend/src/components/story/StoryDay.vue

@@ -6,7 +6,10 @@
     <v-expansion-panel-content>
       <template v-if="entriesWithStory.length">
         <template v-for="{ scheduleEntry, storyChapters } in entriesWithStory">
-          <div v-for="chapter in storyChapters" :key="chapter._meta.self">
+          <div
+            v-for="chapter in storyChapters"
+            :key="scheduleEntry._meta.self + chapter._meta.self"
+          >
             <h4 class="mt-3 mt-sm-5">
               <span class="d-inline-flex align-center">
                 <span v-if="scheduleEntry.number" class="tabular-nums">{{

frontend/src/components/story/StoryPeriod.vue

@@ -1,7 +1,7 @@
 <template>
   <v-skeleton-loader v-if="loading" class="mt-2 mt-sm-3" type="list-item-three-line" />
   <v-expansion-panels v-else v-model="expandedDays" accordion flat multiple>
-    <story-day
+    <StoryDay
       v-for="day in sortedDays"
       :key="day._meta.self"
       :day="day"

frontend/src/views/camp/Story.vue

@@ -1,7 +1,7 @@
 <template>
   <content-card :title="$tc('views.camp.story.title')" toolbar>
     <template #title-actions>
-      <period-switcher :period="period" :route-name="'camp/period/story'" />
+      <PeriodSwitcher :period="period" :route-name="'camp/period/story'" />
       <v-spacer />
       <LockButton
         v-model="editMode"
@@ -26,7 +26,7 @@
         </v-list>
       </v-menu>
     </template>
-    <story-period :edit-mode="editMode" :period="period" />
+    <StoryPeriod :edit-mode="editMode" :period="period" />
   </content-card>
 </template>
 
@@ -38,10 +38,12 @@ import DownloadNuxtPdf from '@/components/print/print-nuxt/DownloadNuxtPdfListIt
 import DownloadClientPdf from '@/components/print/print-client/DownloadClientPdfListItem.vue'
 import LockButton from '@/components/generic/LockButton.vue'
 import LockUnlockListItem from '@/components/generic/LockUnlockListItem.vue'
+import PeriodSwitcher from '@/components/program/PeriodSwitcher.vue'
 
 export default {
   name: 'Story',
   components: {
+    PeriodSwitcher,
     StoryPeriod,
     ContentCard,
     DownloadClientPdf,