fix: should restore xid hint

[dk-lockdown]

ref: https://github.com/cectc/dbpack/issues/

Ⅰ. Describe what this PR did

Ⅱ. Does this pull request fix one issue?

Ⅲ. Why don't you add test cases (unit test/integration test)?

Ⅳ. Describe how to verify it

Ⅴ. Special notes for reviews

[codecov-commenter]

Codecov Report

Merging #239 (730678a) into dev (12c94c4) will not change coverage.
The diff coverage is n/a.

❗ Current head 730678a differs from pull request most recent head 4bfbd56. Consider uploading reports for the commit 4bfbd56 to get more accurate results

@@           Coverage Diff           @@
##              dev     #239   +/-   ##
=======================================
  Coverage   42.82%   42.82%           
=======================================
  Files          82       82           
  Lines        9840     9840           
=======================================
  Hits         4214     4214           
  Misses       5187     5187           
  Partials      439      439           

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