sessionctx: fix wrong skipInit for tidb_enable_paging

[you06]

Signed-off-by: you06 you1474600@gmail.com

What problem does this PR solve?

Issue Number: ref #30578

Problem Summary:

What is changed and how it works?

#30536 introduced tidb_enable_paging which is the switch of coprocessor paging. This PR fixes the wrong skipInit of that sysvar.

Check List

Tests

• Unit test
• Integration test
• Manual test (add detailed scripts or steps below)
• No code

Side effects

• Performance regression: Consumes more CPU
• Performance regression: Consumes more Memory
• Breaking backward compatibility

Documentation

• Affects user behaviors
• Contains syntax changes
• Contains variable changes
• Contains experimental features
• Changes MySQL compatibility

Release note

None

[ti-chi-bot]

[REVIEW NOTIFICATION]

This pull request has been approved by:

• cfzjywxk
• youjiali1995

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[sre-bot]

Code Coverage Details: https://codecov.io/github/pingcap/tidb/commit/384feb2216a5c2d51881653c3b1f4c4b21440d9a

[you06]

@youjiali1995 can you help me merge this PR?

[youjiali1995]

/merge

[ti-chi-bot]

This pull request has been accepted and is ready to merge.

Commit hash: 7f4667d

[you06]

/run-check_dev_2

[youjiali1995]

/merge

[ti-chi-bot]

@you06: Your PR was out of date, I have automatically updated it for you.

At the same time I will also trigger all tests for you:

/run-all-tests

If the CI test fails, you just re-trigger the test that failed and the bot will merge the PR for you after the CI passes.

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[sticnarf]

/run-mysql-test