feat(flow): use DataFusion's optimizer

[discord9]

I hereby agree to the terms of the GreptimeDB CLA.

What's changed and what's your intention?

use and add a few Datafusion Analyzer and Optimizer to improve writing sql query in flow:
add three new analyzer in df_optimizer.rs file, which is also the major changes happen, other edits are either removal of obsolete functions or adding test for it

• AvgExpandRule: rewrite avg to sum/count
• TumbleExpandRule: rewrite tumble to tumble_start and tumble_end
• CheckGroupByRule: check if all exprs in group by is also used in select list

also apply AnalyzerRule::TypeCoercion to cast type properly
optimizer from Datafusion is also appiled before encode to substrait, include:

• OptimizeProjections: identifies and eliminates unused columns
• CommonSubexprEliminate: avoid redundant computation of common sub-expressions
• SimplifyExpressions: simplifies expressions in the logical plan
• UnwrapCastInComparison: rewrites CAST(col) = lit to col = CAST(lit)

Checklist

• I have written the necessary rustdoc comments.
• I have added the necessary unit tests and integration tests.
• This PR requires documentation updates.

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[codecov]

Codecov Report

Attention: Patch coverage is 89.78723% with 96 lines in your changes missing coverage. Please review.

Project coverage is 84.68%. Comparing base (0b102ef) to head (d9027cc).
Report is 11 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #4489      +/-   ##
==========================================
- Coverage   84.89%   84.68%   -0.22%     
==========================================
  Files        1101     1102       +1     
  Lines      197166   197601     +435     
==========================================
- Hits       167386   167329      -57     
- Misses      29780    30272     +492     

[fengjiachun]

@waynexia PTAL

[waynexia]

Well done 👍 This greatly simplifies the implementation.