[Glitch] Remove global boosts state and convert boosts modal to Typescript

Port 67442f9039 to glitch-soc

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

app/javascript/flavours/glitch/components/visibility_icon.tsx

@@ -4,11 +4,10 @@ import LockIcon from '@/material-icons/400-24px/lock.svg?react';
 import MailIcon from '@/material-icons/400-24px/mail.svg?react';
 import PublicIcon from '@/material-icons/400-24px/public.svg?react';
 import QuietTimeIcon from '@/material-icons/400-24px/quiet_time.svg?react';
+import type { StatusVisibility } from 'flavours/glitch/models/status';
 
 import { Icon } from './icon';
 
-type Visibility = 'public' | 'unlisted' | 'private' | 'direct';
-
 const messages = defineMessages({
   public_short: { id: 'privacy.public.short', defaultMessage: 'Public' },
   unlisted_short: {
@@ -25,7 +24,7 @@ const messages = defineMessages({
   },
 });
 
-export const VisibilityIcon: React.FC<{ visibility: Visibility }> = ({
+export const VisibilityIcon: React.FC<{ visibility: StatusVisibility }> = ({
   visibility,
 }) => {
   const intl = useIntl();