fix: add checks for bm25 k1 and b in sparse index checker

[zhengbuqian]

issue: #36883, #35853

[codecov]

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All modified and coverable lines are covered by tests ✅

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Additional details and impacted files

@@            Coverage Diff            @@
##             master   #36907   +/-   ##
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  Coverage          ?   72.51%           
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  Files             ?     1308           
  Lines             ?   156228           
  Branches          ?        0           
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  Hits              ?   113293           
  Misses            ?    37813           
  Partials          ?     5122           

Files with missing lines	Coverage Δ
...ndexparamcheck/sparse_float_vector_base_checker.go	100.00% <100.00%> (ø)

[aoiasd]

/lgtm

[czs007]

/approve
/lgtm

[sre-ci-robot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: czs007, zhengbuqian

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