Restructure menu bar shortcuts

[VMelnalksnis]

Split menu items by categories, and use letters without accents, or at least ones that are not used frequently, for shortcuts.

[codecov]

Codecov Report

Merging #363 (aecd7c9) into master (49c4970) will decrease coverage by 0.01%.
The diff coverage is n/a.

@@            Coverage Diff             @@
##           master     #363      +/-   ##
==========================================
- Coverage   67.47%   67.46%   -0.02%     
==========================================
  Files         247      247              
  Lines        6940     6940              
  Branches      494      494              
==========================================
- Hits         4683     4682       -1     
  Misses       2090     2090              
- Partials      167      168       +1     

Impacted Files	Coverage Δ
...ade.TestingHelpers/Data/Fakers/NamedEntityFaker.cs	57.14% <0.00%> (-14.29%)	⬇️

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