[fix](index compaction) fix fd leak and mem leak while index compaction (#41915)

[cambyzju]

pick #41915 to branch-2.1

[doris-robot]

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[github-actions]

clang-tidy review says "All clean, LGTM! 👍"

[cambyzju]

run buildall

[doris-robot]

TeamCity be ut coverage result:
Function Coverage: 36.01% (9347/25954)
Line Coverage: 27.59% (76818/278386)
Region Coverage: 26.40% (39458/149457)
Branch Coverage: 23.19% (20085/86622)
Coverage Report: http://coverage.selectdb-in.cc/coverage/b31bf06c92da602a8fab32607651fc415dc09f16_b31bf06c92da602a8fab32607651fc415dc09f16/report/index.html

[cambyzju]

run buildall

[github-actions]

clang-tidy review says "All clean, LGTM! 👍"

[doris-robot]

TeamCity be ut coverage result:
Function Coverage: 36.01% (9349/25964)
Line Coverage: 27.57% (76784/278490)
Region Coverage: 26.39% (39454/149500)
Branch Coverage: 23.17% (20079/86648)
Coverage Report: http://coverage.selectdb-in.cc/coverage/7599974994e0b108d1da93d3b7c0dc0d62f32ddc_7599974994e0b108d1da93d3b7c0dc0d62f32ddc/report/index.html

[airborne12]

LGTM

[github-actions]

PR approved by at least one committer and no changes requested.

[github-actions]

PR approved by anyone and no changes requested.

[cambyzju]

run p0

[cambyzju]

run buildall

[github-actions]

clang-tidy review says "All clean, LGTM! 👍"

[doris-robot]

TeamCity be ut coverage result:
Function Coverage: 36.04% (9362/25980)
Line Coverage: 27.60% (76930/278695)
Region Coverage: 26.39% (39512/149744)
Branch Coverage: 23.16% (20097/86756)
Coverage Report: http://coverage.selectdb-in.cc/coverage/bb2e8ee004ec6c0cda0cfdc88c5733550dbaa17a_bb2e8ee004ec6c0cda0cfdc88c5733550dbaa17a/report/index.html

[cambyzju]

run p0

[cambyzju]

run P0 Regression

[lide-reed]

LGTM