fix(cubesql): Disable projection_push_down DF optimizer

[mcheshkov]

Check List

• Tests have been run in packages where changes made if available
• Linter has been run for changed code
• Tests for the changes have been added if not covered yet
• Docs have been added / updated if required

Description of Changes Made (if issue reference is not provided)

It can drop projection for mismatched alias in UNION ALL, leading to missing columns and out-of-bounds panic during execution in DF

[codecov]

Codecov Report

Attention: Patch coverage is 97.82609% with 1 line in your changes missing coverage. Please review.

Project coverage is 83.72%. Comparing base (c336b10) to head (3e0d732).
Report is 1 commits behind head on master.

Files with missing lines	Patch %	Lines
rust/cubesql/cubesql/src/compile/query_engine.rs	94.44%	1 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##           master    #9356      +/-   ##
==========================================
- Coverage   83.74%   83.72%   -0.02%     
==========================================
  Files         229      229              
  Lines       82538    82574      +36     
==========================================
+ Hits        69121    69138      +17     
- Misses      13417    13436      +19     

Flag	Coverage Δ
cubesql	83.72% <97.82%> (-0.02%)	⬇️

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