fix(keyboard): parse modifiers as characters

[ph-fritsche]

What:

Fix parsing modifiers as printable characters.

Why:

Closes #587

Checklist:

• N/A Documentation
• Tests
• N/A Typings
• Ready to be merged

[codecov]

Codecov Report

Merging #588 (6a343d4) into master (f251d15) will not change coverage.
The diff coverage is 100.00%.

@@            Coverage Diff            @@
##            master      #588   +/-   ##
=========================================
  Coverage   100.00%   100.00%           
=========================================
  Files           47        47           
  Lines          855       857    +2     
  Branches       323       325    +2     
=========================================
+ Hits           855       857    +2     

Impacted Files	Coverage Δ
src/keyboard/getNextKeyDef.ts	100.00% <100.00%> (ø)

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[github-actions]

🎉 This PR is included in version 13.0.1 🎉

The release is available on:

• npm package (@latest dist-tag)
• GitHub release

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[SiebeVE]

I didn't know we got to travel at light speed yet! That was so fast I couldn't even say supercalifragilisticexpialidocious!