Set default accept wait for relay-only candidate to 0

[adeithe]

Description

Defaults relay-only agent candidate types acceptance wait to zero

Reference issue

Fixes #324

[codecov]

Codecov Report

❌ Patch coverage is 80.00000% with 2 lines in your changes missing coverage. Please review.
✅ Project coverage is 86.40%. Comparing base (3897c30) to head (ed14a44).
⚠️ Report is 1 commits behind head on master.

Files with missing lines	Patch %	Lines
agent_config.go	80.00%	2 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##           master     #819      +/-   ##
==========================================
- Coverage   86.53%   86.40%   -0.13%     
==========================================
  Files          43       43              
  Lines        5680     5687       +7     
==========================================
- Hits         4915     4914       -1     
- Misses        604      610       +6     
- Partials      161      163       +2     

Flag	Coverage Δ
go	86.30% <80.00%> (-0.13%)	⬇️
wasm	33.89% <50.00%> (+0.13%)	⬆️

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[JoeTurki]

lgtm, please squash all the commits into a single one and you should be able to merge it, thank you :)

[JoeTurki]

@adeithe Thank you so much for fixing this, looking forward for your incoming contributions :)