[Glitch] Rewrite <LoadMore /> as FC and TS

Port fb5bf5cbf8 to glitch-soc

Signed-off-by: Claire <claire.github-309c@sitedethib.com>

app/javascript/flavours/glitch/components/scrollable_list.jsx

@@ -15,7 +15,7 @@ import IntersectionObserverWrapper from 'flavours/glitch/features/ui/util/inters
 
 import { attachFullscreenListener, detachFullscreenListener, isFullscreen } from '../features/ui/util/fullscreen';
 
-import LoadMore from './load_more';
+import { LoadMore } from './load_more';
 import LoadPending from './load_pending';
 import LoadingIndicator from './loading_indicator';