fix bar for unsorted x input

[daschw]

fix #3365

[codecov]

Codecov Report

Merging #3367 (efaade8) into master (9fc1d57) will not change coverage.
The diff coverage is 100.00%.

❗ Current head efaade8 differs from pull request most recent head a50661d. Consider uploading reports for the commit a50661d to get more accurate results

@@           Coverage Diff           @@
##           master    #3367   +/-   ##
=======================================
  Coverage   64.82%   64.82%           
=======================================
  Files          26       26           
  Lines        6539     6539           
=======================================
  Hits         4239     4239           
  Misses       2300     2300           

Impacted Files	Coverage Δ
src/recipes.jl	57.41% <100.00%> (ø)

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