Expose ICE use-candidate priority setting

[ziollek]

Description

Expose SettingEngine.SetICEUseCandidateCheckPriority so applications can enable ICE use-candidate check priority handling in the underlying ICE agent.

For ICE Lite deployments, enforcing candidate-pair priorities before honoring USE-CANDIDATE allows applications to work around Firefox selecting a lower-priority pair: https://bugzilla.mozilla.org/show_bug.cgi?id=1034964

Reference issue

N/A - external Firefox Bugzilla issue above.

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 85.48%. Comparing base (7306350) to head (3888b6b).

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #3449      +/-   ##
==========================================
- Coverage   85.54%   85.48%   -0.06%     
==========================================
  Files          81       81              
  Lines        9857     9862       +5     
==========================================
- Hits         8432     8431       -1     
- Misses       1007     1010       +3     
- Partials      418      421       +3     

Flag	Coverage Δ
go	85.48% <100.00%> (-0.06%)	⬇️

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[ziollek]

@JoTurk could any maintainer take a look?

[JoTurk]

@ziollek thank you, I'll try to take a look tonight.