fix(agg): do not gen unexpected agg expression

[st1page]

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What's changed and what's your intention?

#10252 (comment)

Checklist

• I have written necessary rustdoc comments
• I have added necessary unit tests and integration tests
• I have added fuzzing tests or opened an issue to track them. (Optional, recommended for new SQL features Sqlsmith: Sql feature generation #7934).
• My PR contains breaking changes. (If it deprecates some features, please create a tracking issue to remove them in the future).
• All checks passed in ./risedev check (or alias, ./risedev c)
• My PR changes performance-critical code. (Please run macro/micro-benchmarks and show the results.)

Documentation

• My PR contains user-facing changes.

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Release note

[codecov]

Codecov Report

Merging #10434 (c85573e) into main (567fa38) will increase coverage by 0.00%.
The diff coverage is 100.00%.

@@           Coverage Diff           @@
##             main   #10434   +/-   ##
=======================================
  Coverage   70.50%   70.50%           
=======================================
  Files        1260     1260           
  Lines      215075   215075           
=======================================
+ Hits       151646   151647    +1     
+ Misses      63429    63428    -1     

Flag	Coverage Δ
rust	70.50% <100.00%> (+<0.01%)	⬆️

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Impacted Files	Coverage Δ
src/expr/src/agg/mode.rs	2.04% <100.00%> (ø)
src/expr/src/agg/percentile_disc.rs	1.85% <100.00%> (ø)

... and 6 files with indirect coverage changes

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[st1page]

It fix the bug which is introduced in this release so remove the "need-cherry-pick-v0.19" tag