branch-4.0: [opt](memory) lazily create column writer when flush memtable for partial update

[sollhui]

pick #58982

related issue: #58780

Under the load to 5000-columns with 48-bucket wide table , flush memtable consume lots of memory:

Root cause is all column writers will be created at once when init VerticalSegmentWriter, and page_builder of _encoding_info will consume lots of memory, this pr introduces lazily creating column writer when flush memtable for partial update to solve it.

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

[Thearas]

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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.
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4. Which code was refactored and why was this part of the code refactored?
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[sollhui]

run buildall

[sollhui]

run buildall

[doris-robot]

BE UT Coverage Report

Increment line coverage 84.62% (11/13) 🎉

Increment coverage report
Complete coverage report

Category	Coverage
Function Coverage	53.42% (18805/35202)
Line Coverage	39.23% (174454/444720)
Region Coverage	33.94% (135027/397896)
Branch Coverage	34.86% (58287/167226)

[sollhui]

run buildall

[doris-robot]

BE UT Coverage Report

Increment line coverage 44.00% (11/25) 🎉

Increment coverage report
Complete coverage report

Category	Coverage
Function Coverage	53.42% (18805/35202)
Line Coverage	39.22% (174443/444731)
Region Coverage	33.92% (134963/397921)
Branch Coverage	34.86% (58292/167241)