Farcasterd: Check if peerd listen launched successfully

[TheCharlatan]

Uses the same heuristic as the connect_peer method.

[codecov-commenter]

Codecov Report

Merging #484 (6fddd08) into main (d2f498b) will decrease coverage by 0.0%.
The diff coverage is 0.0%.

@@           Coverage Diff           @@
##            main    #484     +/-   ##
=======================================
- Coverage   12.0%   12.0%   -0.0%     
=======================================
  Files         29      29             
  Lines       8483    8484      +1     
=======================================
- Hits        1021    1019      -2     
- Misses      7462    7465      +3     

Impacted Files	Coverage Δ
src/farcasterd/runtime.rs	0.0% <0.0%> (ø)
src/service.rs	11.5% <ø> (ø)
src/opts.rs	78.9% <0.0%> (-1.1%)	⬇️
src/rpc/request.rs	14.8% <0.0%> (-0.1%)	⬇️
src/config.rs	0.0% <0.0%> (ø)
src/peerd/runtime.rs	0.0% <0.0%> (ø)
src/swapd/runtime.rs	0.0% <0.0%> (ø)
src/syncerd/monero_syncer.rs	0.0% <0.0%> (ø)

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[h4sh3d]

tACK with added changes. Fix when peerd was registered in listens before crash.

Please @TheCharlatan give a 👍 if you agree we my changes, after that we can merge.

[TheCharlatan]

ACK on your changes.