Config.cleanupWikifierOutput is sometimes ignored

I had Config.cleanupWikifierOutput set to true on one of my projects and I noticed that whenever I used Engine.show() it wouldn't convert the <br> elements to <p> elements. It also didn't seem to have any effect on the body of the Dialog except for adding a lot of extra <p> elements to the Settings menu which was a bit annoying. It did seem to work as expected when calling SugarCube.Engine.show() from the console in any browser I tried. (same with SugarCube.Dialog...).

I decided to take a deeper look and, while it's a bit over my head, from what I gathered is that if any Engine navigation methods or the Dialog.wiki() method is executed from "wikifying" the content inside of a macro like <<link>> or <<button>> it will not "clean up" the incoming text. I did also discover the convertBreaks function and figured it could be as both a bandaid fix and to demonstrate the issue.

JS
Config.cleanupWikifierOutput = true

:: Passage
<<link "Unclean">>
  <<run Engine.show()>>
<</link>>

<<link "Clean">>
  <<run convertBreaks(Engine.show())>>
<</link>>

:: StoryMenu
/* the common way of showing a dialog */
<<link "Unclean">>
  <<script>>
    Dialog.setup("Unclean");
    Dialog.wiki(Story.get("Passage").processText());
    Dialog.open();
  <</script>>
<</link>>

/* this produces the expected result imho */
<<link "Clean">>
  <<script>>
    Dialog.setup("Clean");
    Dialog.wiki(Story.get("Passage").processText());
    convertBreaks(Dialog.body());
    Dialog.open();
  <</script>>
<</link>>

SugarCube 2.36.1
Tweego 2.1.1, Twine 2.5.1
Windows 10
Firefox, Chrome, Edge

Additional context. Not sure if this is really a bug or more of a side effect but I figured I'd report it.

tmedwards / sugarcube-2

Config.cleanupWikifierOutput is sometimes ignored #189