fix(console): prevent deadlock in author new --switch
#2032
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Description
Fixes #2024
This was caused by a read attempt over a lock nested inside a write lock. Thw write lock being
let mut inner = self.0.write()
and the read lock inself.iroh_data_dir()
Notes & open questions
I checked the rest of the code in #2013 and I think
author new --switch
is the only command affectedChange checklist