[fix](cloud) Fix balanced_tablets_shards memory leak and warmup inflight count (#59093) (#60480)

[deardeng]

This commit merges two bug fixes related to cloud components:

1. Fix balanced_tablets_shards leak memory and fix some file cache cases ([fix](cloud) Fix balanced_tablets_shards leak memory and fix some file cache case #59093).
2. Fix warmup inflight count not decremented on early return ([fix](cloud) Fix warmup inflight count not decremented on early return #60480).

What problem does this PR solve?

Issue Number: close #xxx

Related PR: #xxx

Problem Summary:

Release note

None

Check List (For Author)

• Test

  • Regression test
  • Unit Test
  • Manual test (add detailed scripts or steps below)
  • No need to test or manual test. Explain why:
    • This is a refactor/code format and no logic has been changed.
    • Previous test can cover this change.
    • No code files have been changed.
    • Other reason

• Behavior changed:

  • No.
  • Yes.

• Does this need documentation?

  • No.
  • Yes.

Check List (For Reviewer who merge this PR)

• Confirm the release note
• Confirm test cases
• Confirm document
• Add branch pick label

[hello-stephen]

Thank you for your contribution to Apache Doris.
Don't know what should be done next? See How to process your PR.

Please clearly describe your PR:

1. What problem was fixed (it's best to include specific error reporting information). How it was fixed.
2. Which behaviors were modified. What was the previous behavior, what is it now, why was it modified, and what possible impacts might there be.
3. What features were added. Why was this function added?
4. Which code was refactored and why was this part of the code refactored?
5. Which functions were optimized and what is the difference before and after the optimization?

[deardeng]

run buildall

[hello-stephen]

BE UT Coverage Report

Increment line coverage 27.27% (15/55) 🎉

Increment coverage report
Complete coverage report

Category	Coverage
Function Coverage	52.96% (19257/36361)
Line Coverage	36.16% (179474/496372)
Region Coverage	32.77% (139313/425095)
Branch Coverage	33.68% (60350/179184)

[hello-stephen]

BE Regression && UT Coverage Report

Increment line coverage 27.27% (15/55) 🎉

Increment coverage report
Complete coverage report

Category	Coverage
Function Coverage	69.94% (24895/35595)
Line Coverage	52.52% (260244/495478)
Region Coverage	50.26% (215782/429367)
Branch Coverage	51.42% (92469/179827)

[deardeng]

run cloud_p0

[hello-stephen]

BE Regression && UT Coverage Report

Increment line coverage 27.27% (15/55) 🎉

Increment coverage report
Complete coverage report

Category	Coverage
Function Coverage	69.94% (24895/35595)
Line Coverage	52.52% (260244/495478)
Region Coverage	50.26% (215782/429367)
Branch Coverage	51.42% (92469/179827)

[deardeng]

run buildall

[deardeng]

run buildall

[hello-stephen]

BE UT Coverage Report

Increment line coverage 30.61% (15/49) 🎉

Increment coverage report
Complete coverage report

Category	Coverage
Function Coverage	53.05% (19286/36354)
Line Coverage	36.25% (179926/496406)
Region Coverage	32.81% (139458/425107)
Branch Coverage	33.74% (60476/179223)

[hello-stephen]

BE Regression && UT Coverage Report

Increment line coverage 30.61% (15/49) 🎉

Increment coverage report
Complete coverage report

Category	Coverage
Function Coverage	69.77% (24828/35588)
Line Coverage	52.39% (259591/495520)
Region Coverage	49.80% (213853/429382)
Branch Coverage	51.15% (91989/179854)

[yiguolei]

skip buildall

[github-actions]

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

[github-actions]

PR approved by anyone and no changes requested.