org-footnote-fill-after-inline-note-extraction

org-footnote-fill-after-inline-note-extraction is a variable defined in `org-footnote.el'.
Its value is

nil

Documentation:
Non-nil means fill paragraphs after extracting footnotes.
When extracting inline footnotes, the lengths of lines can change a lot.
When this option is set, paragraphs from which an inline footnote has been
extracted will be filled again.

You can customize this variable.