various: fix newline spam on load

[plumj-am]

It doesn't happen every time and I wasn't able to figure out exactly why it did. However, it is fixed by this change. Now the status updates re-use the same line which I assume is the intention.

Before (shortened but it was about twice this length):

p[\] cade: nix develop at /home/jam/projects/grove-3 is taking a long time; 
p[-] cade: nix develop at /home/jam/projects/grove-3 is taking a long time; 
p[/] cade: nix develop at /home/jam/projects/grove-3 is taking a long time; 
p[|] cade: nix develop at /home/jam/projects/grove-3 is taking a long time; 
p[\] cade: nix develop at /home/jam/projects/grove-3 is taking a long time; 
p[-] cade: nix develop at /home/jam/projects/grove-3 is taking a long time; 
p[/] cade: nix develop at /home/jam/projects/grove-3 is taking a long time; 
p[|] cade: nix develop at /home/jam/projects/grove-3 is taking a long time; 
p[\] cade: nix develop at /home/jam/projects/grove-3 is taking a long time; 
p[-] cade: nix develop at /home/jam/projects/grove-3 is taking a long time; 
p[/] cade: nix develop at /home/jam/projects/grove-3 is taking a long time; 
p[|] cade: nix develop at /home/jam/projects/grove-3 is taking a long time; press Ctrl-C to stop and inspect the command.

After:

cade is now allowed in /home/jam/projects/grove-3.
[→] cade: loaded /home/jam/projects/grove-3.
grove root loaded!

[plumj-am]

It still appears to be an issue, though maybe less frequent? Can't be sure. I'll keep digging.

[atagen]

should be fixed on next branch, it's caused by poor line accounting when the terminal is small enough for the line to wrap

[plumj-am]

I don't think the terminal size is the only issue. I occasionally encountered it on large (>120 column) terminals too where the width was plenty for cade. Perhaps that issue is fixed by my change because it hasn't happened since. It's difficult when these things happen so intermittently... Anyway, I'm sure can get to the bottom of it :)

[plumj-am]

Yes, even using my patched version, I still get this. 190 columns so shouldn't be width constrained @atagen: