feat: collapse sidebar groups (#33592)

.changeset/khaki-boxes-suffer.md

apps/meteor/client/sidebarv2/RoomList/RoomList.tsx

apps/meteor/client/sidebarv2/hooks/useCollapsedGroups.ts

apps/meteor/client/sidebarv2/hooks/useRoomList.ts

apps/meteor/package.json

apps/uikit-playground/package.json

ee/packages/ui-theming/package.json

packages/fuselage-ui-kit/package.json

packages/gazzodown/package.json

packages/ui-avatar/package.json

packages/ui-client/package.json

packages/ui-composer/package.json

packages/ui-video-conf/package.json

packages/ui-voip/package.json

yarn.lock