[#9189] Add apdex-score formula in the apdex-score guide popup

[binDongKim]

No description provided.

[codecov]

Codecov Report

Merging #9649 (9ab1046) into master (088354d) will increase coverage by 0.00%.
The diff coverage is n/a.

@@            Coverage Diff            @@
##             master    #9649   +/-   ##
=========================================
  Coverage     38.93%   38.93%           
- Complexity    11898    11899    +1     
=========================================
  Files          3490     3490           
  Lines         93640    93640           
  Branches      10505    10505           
=========================================
+ Hits          36457    36461    +4     
+ Misses        54012    54009    -3     
+ Partials       3171     3170    -1     

Impacted Files	Coverage Δ
...rc/main/java/com/navercorp/pinpoint/test/Item.java	68.51% <0.00%> (-3.71%)	⬇️
...ercorp/pinpoint/rpc/server/HealthCheckManager.java	60.25% <0.00%> (+1.28%)	⬆️
...tor/metric/datasource/DefaultDataSourceMetric.java	88.88% <0.00%> (+3.70%)	⬆️
...m/navercorp/pinpoint/rpc/client/ConnectFuture.java	79.16% <0.00%> (+8.33%)	⬆️
...pc/server/LoggingServerMessageListenerFactory.java	90.47% <0.00%> (+9.52%)	⬆️

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