fix: fix CanUseIndexForJson

[zhengbuqian]

issue: #46269

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[sre-ci-robot]

[ci-v2-notice]
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[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 75.93%. Comparing base (224a794) to head (058b8f9).
⚠️ Report is 1 commits behind head on master.

Additional details and impacted files

@@           Coverage Diff           @@
##           master   #46286   +/-   ##
=======================================
  Coverage   75.93%   75.93%           
=======================================
  Files        1898     1898           
  Lines      297301   297304    +3     
=======================================
+ Hits       225757   225765    +8     
- Misses      64047    64050    +3     
+ Partials     7497     7489    -8     

Components	Coverage Δ
Client	78.18% <ø> (ø)
Core	82.82% <100.00%> (+<0.01%)	⬆️
Go	73.89% <ø> (+<0.01%)	⬆️

Files with missing lines	Coverage Δ
internal/core/src/exec/expression/UnaryExpr.cpp	71.91% <100.00%> (+0.09%)	⬆️

... and 31 files with indirect coverage changes

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