Update IJulia handling

[oschulz]

Fixes #28 .

[codecov]

Codecov Report

❌ Patch coverage is 0% with 3 lines in your changes missing coverage. Please review.
✅ Project coverage is 67.43%. Comparing base (d97e709) to head (56404b2).
⚠️ Report is 2 commits behind head on main.

Files with missing lines	Patch %	Lines
src/display.jl	0.00%	3 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main      #29      +/-   ##
==========================================
- Coverage   67.52%   67.43%   -0.10%     
==========================================
  Files          20       20              
  Lines        1392     1394       +2     
==========================================
  Hits          940      940              
- Misses        452      454       +2     

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[oschulz]

JuliaRegistries/General#144768