fix(app): Replace rollup node polyfills with vite specific package

[nellh]

This fixes an issue where some build environments would fail to resolve the safe-buffer package dependency of @bids/validator.

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 42.99%. Comparing base (f657078) to head (c0941fa).
⚠️ Report is 2 commits behind head on master.

Additional details and impacted files

@@           Coverage Diff           @@
##           master    #3608   +/-   ##
=======================================
  Coverage   42.99%   42.99%           
=======================================
  Files         635      635           
  Lines       33331    33331           
  Branches     1482     1482           
=======================================
  Hits        14331    14331           
  Misses      18861    18861           
  Partials      139      139           

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