* normalized expected scores if min is < 0
* only normalize scores for ES after 8.19+ / 9.1+
* add 9.1.0 snapshot to build matrix
* get min score from booster trees
* removing typing on function definition
* properly flatten our tree leaf scores
* simplify getting min score
* debugging messages
* get all the matches in better way
* Fix model score normalization.
* lint
* lint again
* lint; correct return for bounds map/list
* revert to Aurelian's fix
* re-lint :/
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Co-authored-by: Aurelien FOUCRET <aurelien.foucret@elastic.co>