fix: update filesize package import to resolve build warning

[milad-emami]

This PR fixes the build warning introduced by Renovate PR #241 which updates filesize to v10.

The warning was:

WARNING in ./src/components/FilePopoverContent/index.jsx 34:66-74
export 'default' (imported as 'filesize') was not found in 'filesize' (possible exports: filesize, partial)

[openedx-webhooks]

Thanks for the pull request, @milad-emami!

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[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 100.00%. Comparing base (212014f) to head (068740f).

Additional details and impacted files

@@            Coverage Diff            @@
##            master      #367   +/-   ##
=========================================
  Coverage   100.00%   100.00%           
=========================================
  Files          109       109           
  Lines         1086      1086           
  Branches       165       165           
=========================================
  Hits          1086      1086           

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