util: create the tmpdir if the directory is removed by mistake. (#18970)

[ti-srebot]

cherry-pick #18970 to release-4.0

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What problem does this PR solve?

Issue Number:
close #18960
close #18055

Problem Summary:

1. If the temp directory is removed, all SQLs that trigger spill action will get unexpected error open: ...... no such file or directory.
2. If remove some files failed, log the error and continue to remove other temp files.
3. If there is a temp file removed failed when calling Close, other temp files can't remove successfully.

What is changed and how it works?

Proposal: xxx

What's Changed:

1. Before creating temp files and writing them, check the temp directory is valid. If the directory invalid, create the directory before spilling.
2. Log and ignore the error when calling Close().

How it Works:

Related changes

• Need to cherry-pick to the release branch 4.0

Check List

Tests

• Unit test
• Integration test
• Manual test (add detailed scripts or steps below)
  Case 1:

1. Start a tidb instance.
2. Remove the temp directory.
3. Run a SQL that spills some data to disk.
4. SQL runs successfully, and the temp directory is created again.

Case 2:

1. Start a tidb instance.
2. Run a SQL that spills some data to disk.
3. Remove some temp files when running.
4. SQL runs failed, and the other temp files are removed successfully.

Side effects

Release note

• Fix unexpected error when spilling disk.

[ti-srebot]

/run-all-tests

[wshwsh12]

/run-all-tests

[wshwsh12]

/run-unit-test

[XuHuaiyu]

LGTM

[SunRunAway]

LGTM

[jebter]

/merge

[ti-srebot]

/run-all-tests

[jebter]

/run-integration-ddl-test

[ti-srebot]

@ti-srebot merge failed.