[fix](variable) Resolve the issue of returning content exceptions when dealing with non master set error variables

[whutpencil]

…n dealing with non master set error variables

What problem does this PR solve?

When setting an incorrect variable to a non master, the returned content is abnormal:

` mysql> set global group_by_and_having_use= false;

ERROR 1193 (HY000): errCode = 2, detailMessage = Unknown system variable '%s',the similar variables are %s `

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

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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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