Cherry pick: fixes from main#24989

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karthiknadig merged 2 commits intomicrosoft:release/2025.4from

karthiknadig:cherry-pick1

Apr 18, 2025

Commits on Apr 18, 2025

fix: let Python Envs extension handle missing `python` in conda envs (#24986)
karthiknadig
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Revert "move clear envCollection to after await (#24921)" (#24988)
karthiknadig
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