Filter anomalies according to boundaries under AnomalyAndMargin mode

[mengaims]

Fixed #5224 .
Filter anomalies according to boundaries under AnomalyAndMargin mode in SrCnnEntireAnomalyDetector.

[codecov]

Codecov Report

Merging #5212 into master will increase coverage by 0.00%.
The diff coverage is 100.00%.

@@           Coverage Diff           @@
##           master    #5212   +/-   ##
=======================================
  Coverage   73.51%   73.52%           
=======================================
  Files        1016     1016           
  Lines      189844   189845    +1     
  Branches    20427    20428    +1     
=======================================
+ Hits       139573   139575    +2     
  Misses      44700    44700           
+ Partials     5571     5570    -1     

Flag	Coverage Δ
#Debug	73.52% <100.00%> (+<0.01%)	⬆️
#production	69.33% <100.00%> (+<0.01%)	⬆️
#test	87.47% <ø> (ø)

Impacted Files	Coverage Δ
...rosoft.ML.TimeSeries/SrCnnEntireAnomalyDetector.cs	90.56% <100.00%> (+0.01%)	⬆️
...rosoft.ML.AutoML/ColumnInference/TextFileSample.cs	59.60% <0.00%> (-2.65%)	⬇️
...L.AutoML/TrainerExtensions/TrainerExtensionUtil.cs	85.15% <0.00%> (-1.75%)	⬇️
...soft.ML.Data/DataLoadSave/Text/TextLoaderCursor.cs	89.45% <0.00%> (+0.15%)	⬆️
...c/Microsoft.ML.FastTree/Utils/ThreadTaskManager.cs	100.00% <0.00%> (+20.51%)	⬆️