[Web build] Old broswer polyfill

[sentry]

Sentry Issue: FOLLOW-3N

TypeError: e.findLastIndex is not a function
  at ModalStack (../../src/renderer/src/components/ui/modal/stacked/provider.tsx:26:31)
...
(5 additional frame(s) were not displayed)

[linear]

FOL-33 [Web build] Old broswer polyfill