chore: backport pr 5634 to release/v0.12-internal#8017

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fengys1996 wants to merge 1 commit intoGreptimeTeam:release/v0.12-internalfrom

fengys1996:backport/release-0.12-internal/pr-5634

Commits on Apr 22, 2026

fix: window sort not apply when other column alias to time index name (#5634)

discord9
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fengys1996
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