refactor: remove last-remaining use of AuthWall component

src/Pages/EmissionManager.vue

@@ -17,7 +17,7 @@
       </div>
     </template>
 
-    <auth-wall v-else-if="selectedShow" class="tw-flex-1 tw-flex tw-flex-col">
+    <div v-else-if="selectedShow" class="tw-flex-1 tw-flex tw-flex-col">
       <b-alert
         class="tw-flex-none"
         :variant="conflictCount > 0 ? 'danger' : 'success'"
@@ -109,7 +109,7 @@
         @conflict="enterConflictMode"
         @update="loadTimeslots()"
       />
-    </auth-wall>
+    </div>
   </div>
 </template>
 
@@ -125,7 +125,6 @@ import fullCalendarInteractionPlugin from '@fullcalendar/interaction'
 import modalEmissionManagerCreate from '@/components/emissions/ModalCreate.vue'
 import modalEmissionManagerResolve from '@/components/emissions/ModalResolve.vue'
 import modalEmissionManagerEdit from '@/components/emissions/ModalEdit.vue'
-import AuthWall from '@/components/AuthWall.vue'
 import prettyDate from '@/mixins/prettyDate'
 import ServerErrors from '@/components/ServerErrors.vue'
 import { getISODateString } from '@/utilities'
@@ -146,7 +145,6 @@ export default {
     PageHeader,
     ServerErrors,
     FullCalendar,
-    AuthWall,
     'app-modalEmissionManagerCreate': modalEmissionManagerCreate,
     'app-modalEmissionManagerResolve': modalEmissionManagerResolve,
     'app-modalEmissionManagerEdit': modalEmissionManagerEdit,

src/components/AuthWall.vue

-<template>
-  <div v-if="authStore.steeringUser" class="tw-w-full">
-    <slot />
-  </div>
-
-  <div v-else class="tw-w-full tw-text-center">
-    {{ t('loading') }}
-  </div>
-</template>
-
-<script setup>
-import { useAuthStore } from '@/stores/auth'
-import { watchEffect } from 'vue'
-import { useRouter } from 'vue-router'
-import { useToast } from 'vue-toast-notification'
-import { useI18n } from '@/i18n'
-
-const router = useRouter()
-const authStore = useAuthStore()
-const toast = useToast()
-const { t } = useI18n()
-
-watchEffect(() => {
-  if (authStore.steeringUser && !authStore.isSuperuser) {
-    toast.error(t('auth.permissionError'))
-    router.push({ name: 'home' })
-  }
-})
-</script>