feat(core): improve text preview in editor settings

[OlegDev1]

Improves the preview of edgeless text in editor settings
Before:

After:

[graphite-app]

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[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 53.64%. Comparing base (5ae5fd8) to head (d242fec).
Report is 39 commits behind head on canary.

Additional details and impacted files

@@            Coverage Diff             @@
##           canary   #10070      +/-   ##
==========================================
- Coverage   53.69%   53.64%   -0.05%     
==========================================
  Files        2275     2285      +10     
  Lines      104205   104634     +429     
  Branches    17294    17415     +121     
==========================================
+ Hits        55955    56134     +179     
- Misses      46879    47138     +259     
+ Partials     1371     1362       -9     

Flag	Coverage Δ
server-test	78.17% <ø> (+0.29%)	⬆️
unittest	31.66% <ø> (-0.18%)	⬇️

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[L-Sun]

LGTM