Convert compact.NodeID to Suffix directly

[pav-kv]

This change removes indirection in conversion from compact.NodeID to Suffix.
This further reduces the amount of things depending on tree.NodeID.

Part of #2378.

[codecov]

Codecov Report

Merging #2402 (62d3d45) into master (74e8305) will increase coverage by 0.05%.
The diff coverage is 75.00%.

@@            Coverage Diff             @@
##           master    #2402      +/-   ##
==========================================
+ Coverage   65.56%   65.62%   +0.05%     
==========================================
  Files         106      106              
  Lines        7702     7700       -2     
==========================================
+ Hits         5050     5053       +3     
+ Misses       2120     2115       -5     
  Partials      532      532              

Impacted Files	Coverage Δ
storage/cache/log_tile.go	63.15% <75.00%> (-1.85%)	⬇️
client/log_client.go	71.51% <0.00%> (+0.58%)	⬆️
log/operation_manager.go	89.41% <0.00%> (+2.11%)	⬆️

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