If you really need it, you should be able to add it as a text edit (Write mode shift+X) on the first note of the system, put font in Bravura and with the right symbol. Copy paste from
https://w3c.github.io/smufl/gitbook/tables/staff-brackets-and-dividers.html
I put it here at 32 pts, then moved it in Engrave mode between the staves
Hope this helps
