feat: display leader role group in rooms' members list (#35208)

.changeset/rotten-peaches-cry.md

.changeset/weak-kangaroos-admire.md

apps/meteor/app/lib/server/functions/createRoom.ts

...b/server/functions/syncRolePrioritiesForRoomIfRequired.ts

apps/meteor/client/views/hooks/useMemberList.spec.tsx

apps/meteor/client/views/hooks/useMembersList.ts

apps/meteor/client/views/room/body/LeaderBar.tsx

apps/meteor/client/views/room/body/RoomBody.tsx

...ient/views/room/contextualBar/RoomMembers/RoomMembers.tsx

apps/meteor/lib/roles/calculateRoomRolePriorityFromRoles.ts

apps/meteor/server/lib/roles/syncRoomRolePriority.ts

apps/meteor/tests/end-to-end/api/rooms.ts

packages/core-typings/src/IRoom.ts

packages/i18n/src/locales/en.i18n.json

packages/model-typings/src/models/IRoomsModel.ts

packages/models/src/models/Rooms.ts