UI-related improvements

[aviatesk]

No description provided.

[codecov-commenter]

Codecov Report

Merging #361 (2673666) into master (d8e1b20) will increase coverage by 0.75%.
The diff coverage is 99.32%.

@@            Coverage Diff             @@
##           master     #361      +/-   ##
==========================================
+ Coverage   85.76%   86.52%   +0.75%     
==========================================
  Files          11       11              
  Lines        2304     2411     +107     
==========================================
+ Hits         1976     2086     +110     
+ Misses        328      325       -3     

Impacted Files	Coverage Δ
src/analyzers/optanalyzer.jl	90.52% <ø> (ø)
src/abstractinterpret/inferenceerrorreport.jl	92.48% <99.25%> (+3.65%)	⬆️
src/JET.jl	71.71% <100.00%> (+0.97%)	⬆️
src/analyzers/jetanalyzer.jl	92.42% <100.00%> (ø)
src/ui/print.jl	90.84% <100.00%> (+0.69%)	⬆️

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