Fix noSortAlphabetically not respected in sort-prop-types

[caesar1030]

Fixes #3591

[codecov]

Codecov Report

Merging #3609 (8e9dd0f) into master (302925b) will increase coverage by 0.18%.
The diff coverage is 100.00%.

❗ Current head 8e9dd0f differs from pull request most recent head 3c11201. Consider uploading reports for the commit 3c11201 to get more accurate results

@@            Coverage Diff             @@
##           master    #3609      +/-   ##
==========================================
+ Coverage   97.44%   97.63%   +0.18%     
==========================================
  Files         132      132              
  Lines        9288     9296       +8     
  Branches     3394     3398       +4     
==========================================
+ Hits         9051     9076      +25     
+ Misses        237      220      -17     

Impacted Files	Coverage Δ
lib/rules/sort-prop-types.js	98.27% <ø> (ø)
lib/util/propTypesSort.js	100.00% <100.00%> (+1.23%)	⬆️

... and 2 files with indirect coverage changes