convert.sh does not produce a .hic file in the appropriate format for juicebox

This is causing various downstream issues, as the next logical step after running SALSA is to manually edit the assembly, and juicebox seems to be the only tool to do that.

See:

https://github.com/aidenlab/Juicebox/issues/958
https://github.com/aidenlab/Juicebox/issues/975

and most likely:
https://github.com/aidenlab/Juicebox/issues/972