[core] update formatted ts demo to support new structure (#30248)
[core] update formatted ts demo to support new structure (#30248)


rscnt/material-ui,rscnt/material-ui,mui-org/material-ui,oliviertassinari/material-ui,oliviertassinari/material-ui,mui-org/material-ui,oliviertassinari/material-ui,mui-org/material-ui,rscnt/material-ui