fix container metrics

[justadogistaken]

There are some metrics have been calculating incorrectly. Try to fix them in the pr.

1. Rename MetricCPUNRdPeriodRateContainer to MetricCPUNRPeriodRateContainer.
2. Try to assign l3_misses with OcrReadDrams when L3Misses is 0.
3. Fill the lost metrics like MetricCPUThrottledTimeContainer/MetricCPUNrThrottledContainer/MetricCPUNrPeriodContainer in the case of v2 cgroups.
4. Optimizing the calculation for MetricNetTcpRecvPacketsContainer/MetricNetTcpSendPacketsContainer/MetricNetTcpRecvBytesContainer/MetricNetTcpSendBytesContainer.

[codecov]

Codecov Report

Attention: 47 lines in your changes are missing coverage. Please review.

Comparison is base (0a7ac56) 54.42% compared to head (9ea0225) 54.27%.
Report is 1 commits behind head on main.

Files	Patch %	Lines
...server/agent/metric/malachite/fetcher_calculate.go	59.70%	20 Missing and 7 partials ⚠️
pkg/metaserver/agent/metric/malachite/fetcher.go	69.56%	10 Missing and 4 partials ⚠️
pkg/util/syntax/lock.go	89.83%	6 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #428      +/-   ##
==========================================
- Coverage   54.42%   54.27%   -0.15%     
==========================================
  Files         471      472       +1     
  Lines       51876    52025     +149     
==========================================
+ Hits        28231    28236       +5     
- Misses      20488    20649     +161     
+ Partials     3157     3140      -17     

Flag	Coverage Δ
unittest	54.27% <72.67%> (-0.15%)	⬇️

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[csfldf]

use same format as above ("Nr") ?