Formatting probability of direction objects fails

[strengejacke]

Fixes #603

[codecov]

Codecov Report

Merging #608 (a84ee65) into main (efb0cab) will increase coverage by 0.58%.
The diff coverage is 100.00%.

❗ Current head a84ee65 differs from pull request most recent head a567d5e. Consider uploading reports for the commit a567d5e to get more accurate results

@@            Coverage Diff             @@
##             main     #608      +/-   ##
==========================================
+ Coverage   48.73%   49.31%   +0.58%     
==========================================
  Files          65       65              
  Lines        5130     5134       +4     
==========================================
+ Hits         2500     2532      +32     
+ Misses       2630     2602      -28     

Impacted Files	Coverage Δ
R/bayesfactor_parameters.R	65.73% <ø> (ø)
R/format.R	27.21% <ø> (+19.04%)	⬆️
R/equivalence_test.R	25.78% <100.00%> (+2.39%)	⬆️