Post-merge optimistic relaying minor tweaks.

[michaelneuder]

📝 Summary

A few minor things:

1. Ordering APIs to be alphabetical.
2. Fix for SetBlockBuilderStatus to only update is_optimistic when modifying multiple pubkey status'

⛱ Motivation and Context

We run these on our prod optimistic branch. they are minor cleanups that didn't make it into the main OR PR.

---

✅ I have run these commands

• make lint
• make test-race
• go mod tidy
• I have seen and agree to CONTRIBUTING.md

[codecov-commenter]

Codecov Report

Merging #402 (da3cf36) into main (15c14de) will increase coverage by 0.01%.
The diff coverage is 100.00%.

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@@            Coverage Diff             @@
##             main     #402      +/-   ##
==========================================
+ Coverage   30.68%   30.70%   +0.01%     
==========================================
  Files          24       24              
  Lines        4507     4508       +1     
==========================================
+ Hits         1383     1384       +1     
  Misses       2960     2960              
  Partials      164      164              

Flag	Coverage Δ
unittests	30.70% <100.00%> (+0.01%)	⬆️

Flags with carried forward coverage won't be shown. Click here to find out more.

Impacted Files	Coverage Δ
database/database.go	51.48% <100.00%> (+0.10%)	⬆️

[metachris]

Fix for SetBlockBuilderStatus to only update is_optimistic when modifying multiple pubkey status'

What's the motivation for restricting it like this? Not sure I like that it behaves one way (update only is_otimistic) in this branch and another way (update all) in the other...

[metachris]

lgtm