server: extract resultset package out of server package

[YangKeao]

What problem does this PR solve?

Issue Number: close #45263

Problem Summary:

Extract the *ResultSet* functions, interfaces and structs out from the /server pkg.

[YangKeao]

/retest

[tiprow]

@YangKeao: The following test failed, say /retest to rerun all failed tests or /retest-required to rerun all mandatory failed tests:

Test name	Commit	Details	Required	Rerun command
tiprow_fast_test	b78344b	link	true	/test tiprow_fast_test

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[ti-chi-bot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: hawkingrei, xhebox

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• OWNERS [hawkingrei,xhebox]

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[ti-chi-bot]

[LGTM Timeline notifier]

Timeline:

• 2023-07-11 08:01:57.881520542 +0000 UTC m=+405409.651859259: ☑️ agreed by xhebox.
• 2023-07-11 08:03:00.892426979 +0000 UTC m=+405472.662765692: ☑️ agreed by hawkingrei.