fix(blacklist): request data only when modal is shown, remove useless ratelimit and lazy load blacklist (#1084)

* perf: remove eager load of Blacklist entity from Media entity

Try to resolve some performance issues by removing the eager loading of Blacklist items from the
Media entity

* fix: fix ManageSlideOver for blacklist

* perf(blacklist): request data only when modal is shown

For admin users, the button to blacklist a media (used on every media card) was displaying a Modal,
that was requesting data BEFORE the modal was displayed. This resulted in dozens of additional
requests everytime media cards were displayed.

* perf(blacklist): remove useless ratelimit

src/components/BlacklistModal/index.tsx

@@ -38,7 +38,7 @@ const BlacklistModal = ({
   const intl = useIntl();
 
   const { data, error } = useSWR<TvDetails | MovieDetails>(
-    `/api/v1/${type}/${tmdbId}`
+    show ? `/api/v1/${type}/${tmdbId}` : null
   );
 
   return (