Add support for sample_weights in DRTester#1005

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gdaiha wants to merge 25 commits intopy-why:mainfrom

gdaiha:gdaiha/add-sample-weights-drtester-signed

Commits on Sep 11, 2025

Commits on Sep 17, 2025

fixed treatments in drtester to allow controls different than zero
gdaiha
committed

Commits on Sep 19, 2025

Commits on Sep 22, 2025