🐛 Update handling of special AC, spellcasting, and cult links

[jboehm77]

Resolves #818. Should address all issues mentioned therein. The fix applied in _replaceTokenText() was derived from the 5etools renderdemo.json:

"Boons: {@boon Demonic Boon of Demogorgon} assumes MTF by default, {@boon Demonic Boon of Demogorgon} can have sources added with a pipe, {@boon Demonic Boon of Demogorgon|MTF|and optional link text added with another pipe}.",
"Cults: {@cult Cult of Asmodeus} assumes MTF by default, {@cult Cult of Asmodeus} can have sources added with a pipe, {@cult Cult of Asmodeus|MTF|and optional link text added with another pipe}.",
"Other Character Creation Options: {@charoption Anvilwrought} assumes MOT by default, {@charoption Hollow One|EGW} can have sources added with a pipe, {@charoption Hollow One|EGW|and optional link text added with another pipe}.",
"Recipes: {@recipe Elven Bread} assumes Heroes' Feast by default, {@recipe Barovian Garlic Bread|HFFotM} can have sources added with a pipe, {@recipe Barovian Garlic Bread|HFFotM|and optional link text added with another pipe}.",