🐛 Fixed markdown text expansion behaviour when similar unexpanded text is present
🐛 Fixed markdown text expansion behaviour when similar unexpanded text is present

closes https://github.com/TryGhost/Ghost/issues/10770

- ensure text expansions only occur on the last match before the cursor
- fix subscript text expansion

kevinansfield/Ghost-Admin,kevinansfield/Ghost-Admin,TryGhost/Ghost-Admin,TryGhost/Ghost-Admin