fix(unorderedtx): issues reported in audit (backport #21467)

[mergify]

Description

This PR aims to fix some concerns raised by an external auditor.

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Summary by CodeRabbit

• New Features

  • Introduced a new Precommiter method to enhance transaction management.
  • Integrated an unordered transaction manager for improved handling of unordered transactions.
  • Added a Close method to ensure proper shutdown of application resources.
  • Updated the PreBlocker method to notify the unordered transaction manager of new blocks.

• Bug Fixes

  • Enhanced error handling during the transaction pre-commit phase to ensure immediate issue resolution.

• Documentation

  • Updated documentation to clarify the functionality of new methods and error handling improvements.

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This is an automatic backport of pull request #21467 done by [Mergify](https://mergify.com).

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[github-actions]

@mergify[bot] your pull request is missing a changelog!