Add UI to manage OTRS for buckets

src/components/object-storage/BucketListItem.vue

src/components/object-storage/modals/BucketDetailModal.vue

src/components/object-storage/modals/PermissionModal.vue

src/components/resources/modals/ResourceVersionInfoModal.vue

src/stores/buckets.ts

src/stores/otrs.ts

src/stores/users.ts

src/views/TermsOfUsageView.vue

src/views/admin/AdminSyncRequestsView.vue

src/views/object-storage/BucketsView.vue