refactor(share/shrex): improve shrex logging

[walldiss]

Overview

• Previously shrex-nd and shrex-eds error logs were indistinguishable, that lead to confusion of errors source.
• add peerID to server logs
• Improve some other shrex logging.

Resolves #2035

[codecov-commenter]

Codecov Report

Merging #2101 (c4601b7) into main (bbe68bb) will decrease coverage by 0.04%.
The diff coverage is 70.32%.

@@            Coverage Diff             @@
##             main    #2101      +/-   ##
==========================================
- Coverage   55.71%   55.68%   -0.04%     
==========================================
  Files         209      209              
  Lines       13270    13312      +42     
==========================================
+ Hits         7394     7413      +19     
- Misses       5132     5156      +24     
+ Partials      744      743       -1     

Impacted Files	Coverage Δ
share/p2p/middleware.go	80.00% <0.00%> (ø)
share/p2p/shrexnd/client.go	62.50% <50.00%> (ø)
share/p2p/shrexnd/server.go	66.92% <52.17%> (+0.51%)	⬆️
share/p2p/shrexeds/server.go	65.17% <65.00%> (+0.95%)	⬆️
share/p2p/peers/manager.go	77.48% <77.77%> (-0.30%)	⬇️
share/p2p/shrexeds/client.go	60.52% <83.33%> (+1.62%)	⬆️
share/getters/shrex.go	87.75% <100.00%> (ø)
share/p2p/peers/pool.go	95.00% <100.00%> (+0.17%)	⬆️

... and 9 files with indirect coverage changes

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