fix: Include figure prefix in name before rendering text

[kesara]

Fixes ##961

[cabo]

Is the same fix needed for all the other uses of .tjoin()?
If not, why not?

[kesara]

Is the same fix needed for all the other uses of .tjoin()? If not, why not?

tjoin() is used to render reference, references -> name, section -> name, table -> name.
I'll experiment and see if this fix is adversely affecting any of those.

[cabo]

I'll experiment and see if this fix is adversely affecting any of those.

I just thought that they may have the same bug that Alice reported (line-breaking hyphens and putting them back together with a superfluous space), which would need to be fixed in a similar way.