[Backport 3.3] add refresh policy; add checkpoint id field

[opensearch-trigger-bot]

Backport 709ba4b from #4305

[codecov]

Codecov Report

❌ Patch coverage is 56.00000% with 11 lines in your changes missing coverage. Please review.
✅ Project coverage is 80.14%. Comparing base (2f717c0) to head (2c17b7f).
⚠️ Report is 1 commits behind head on 3.3.

Files with missing lines	Patch %	Lines
...rch/ml/common/memorycontainer/MLWorkingMemory.java	0.00%	9 Missing ⚠️
...ort/memorycontainer/memory/MLAddMemoriesInput.java	77.77%	2 Missing ⚠️

Additional details and impacted files

@@             Coverage Diff              @@
##                3.3    #4306      +/-   ##
============================================
- Coverage     80.15%   80.14%   -0.01%     
- Complexity    10174    10176       +2     
============================================
  Files           854      854              
  Lines         44206    44231      +25     
  Branches       5115     5117       +2     
============================================
+ Hits          35434    35451      +17     
- Misses         6623     6631       +8     
  Partials       2149     2149              

Flag	Coverage Δ
ml-commons	80.14% <56.00%> (-0.01%)	⬇️

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