statistics: correct behavior of non-lite InitStats and stats sync load of no stats column (#57803)

[ti-chi-bot]

This is an automated cherry-pick of #57803

What problem does this PR solve?

Issue Number: close #57804

Problem Summary:

What changed and how does it work?

You can regard this pull request as a totally rewrite of #53399 and #53298

This pull reduced the possible stats state after the stats initialization finished. Now we'll get the same memory objects after a non-concurrent or current non-lite load.

Then use the unified status to make the ColumnIsLoadNeeded correct when one column even has no record in mysql.stats_histograms.

Check List

Tests

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

  • I checked and no code files have been changed.

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

Please refer to Release Notes Language Style Guide to write a quality release note.

None

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Test name	Commit	Details	Required	Rerun command
idc-jenkins-ci-tidb/build	e1fe608	link	true	/test build
idc-jenkins-ci-tidb/unit-test	e1fe608	link	true	/test unit-test
idc-jenkins-ci-tidb/check_dev	e1fe608	link	true	/test check-dev

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