Create durable cursors for the exchange topic

[gaoran10]

Motivation

Currently, the cursor of the exchange is a non-durable cursor, this will cause lost exchange data.

Modifications

Create durable cursors of the exchange topic in an async way.

Does this pull request potentially affect one of the following parts:

If yes was chosen, please highlight the changes

• Dependencies (does it add or upgrade a dependency): (no)
• The public API: (no)
• The schema: (no)
• The default values of configurations: (no)
• The wire protocol: (no)
• The rest endpoints: (no)
• The admin cli options: (no)
• Anything that affects deployment: (no)

Documentation

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Need to update docs?

• [ ] doc-required

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• [x] no-need-doc

  (Please explain why)

• [ ] doc

  (If this PR contains doc changes)