fix: use default font from application instead of system default

[giocard]

This is a change proposed to solve the warning issue experienced on Windows with napari. See napari/napari#8877 for a complete description of it.

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 89.27%. Comparing base (7a1b25c) to head (b6c0518).
⚠️ Report is 1 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main     #724   +/-   ##
=======================================
  Coverage   89.27%   89.27%           
=======================================
  Files          40       40           
  Lines        4820     4821    +1     
=======================================
+ Hits         4303     4304    +1     
  Misses        517      517           

☔ View full report in Codecov by Sentry.
📢 Have feedback on the report? Share it here.

🚀 New features to boost your workflow:

• ❄️ Test Analytics: Detect flaky tests, report on failures, and find test suite problems.

[tlambert03]

great, thanks!