network: Add GetUnderlyingConnTcpInfo method to wsPeer

[iansuvak]

Summary

Enables code outside of the network package to get TCPInfo of the underlying websocket connection.

Test Plan

Should pass existing tests

[codecov]

Codecov Report

Merging #5077 (0e93433) into master (1ad3db9) will increase coverage by 0.01%.
The diff coverage is 0.00%.

@@            Coverage Diff             @@
##           master    #5077      +/-   ##
==========================================
+ Coverage   53.57%   53.58%   +0.01%     
==========================================
  Files         430      430              
  Lines       54091    54092       +1     
==========================================
+ Hits        28980    28986       +6     
+ Misses      22864    22861       -3     
+ Partials     2247     2245       -2     

Impacted Files	Coverage Δ
network/wsNetwork.go	65.04% <0.00%> (+0.29%)	⬆️
network/wsPeer.go	65.50% <0.00%> (-0.93%)	⬇️
util/rateLimit.go	81.37% <0.00%> (-0.99%)	⬇️
ledger/tracker.go	74.26% <0.00%> (-0.85%)	⬇️
ledger/catchpointtracker.go	58.49% <0.00%> (ø)
data/transactions/logic/assembler.go	87.25% <0.00%> (+0.13%)	⬆️
catchup/service.go	70.53% <0.00%> (+0.72%)	⬆️
ledger/blockqueue.go	84.94% <0.00%> (+2.68%)	⬆️

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