[feat][backend]: support compound sub-metric name matching in shouldTrav…

[kidkidkid]

…erseMetric and add retry tests

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Codecov Report

❌ Patch coverage is 88.88889% with 1 line in your changes missing coverage. Please review.

Files with missing lines	Patch %	Lines
...ervability/domain/metric/service/offline_metric.go	88.88%	0 Missing and 1 partial ⚠️

@@           Coverage Diff           @@
##             main     #497   +/-   ##
=======================================
  Coverage   77.01%   77.01%           
=======================================
  Files         647      647           
  Lines       71480    71487    +7     
=======================================
+ Hits        55052    55059    +7     
  Misses      13130    13130           
  Partials     3298     3298           

Flag	Coverage Δ
unittests	77.01% <88.88%> (+<0.01%)	⬆️

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Files with missing lines	Coverage Δ
...ervability/domain/metric/service/offline_metric.go	87.85% <88.88%> (+0.93%)	⬆️

... and 2 files with indirect coverage changes

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