perf(cubesql): More complete usage of member_name_to_expr caching

[srh]

Makes column_name_to_member_vec do caching, removes some of its calls. But also, we replace a bunch of usage of find_member_by_alias_immutably with the mutable, caching version.

Most benchmarks do the same or better. long_simple_in_number_expr_1k is one which gets worse, at +9%. A few of the numbers:

power_bi_wrap                    -8.5660%
power_bi_sum_wrap                -9.1824%
long_in_expr                    -12.923%
long_simple_in_number_expr_1k    +9.1547%

The main source of worse performance would come from pre-emptively copying out and cloning vectors that were previously iterated in-place to avoid holding multiple mutable references to the EGraph. We could probably deal with that efficiently by using RefCell in the member_name_to_expr field, but we don't do that here.

Check List

• Tests has 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

[codecov]

Codecov Report

Attention: Patch coverage is 97.49216% with 8 lines in your changes missing coverage. Please review.

Project coverage is 81.95%. Comparing base (858d965) to head (bb9e749).
Report is 1 commits behind head on master.

Files	Patch %	Lines
...besql/cubesql/src/compile/rewrite/rules/filters.rs	95.08%	6 Missing ⚠️
...besql/cubesql/src/compile/rewrite/rules/members.rs	99.08%	1 Missing ⚠️
...cubesql/cubesql/src/compile/rewrite/rules/order.rs	95.00%	1 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##           master    #8497      +/-   ##
==========================================
+ Coverage   81.93%   81.95%   +0.02%     
==========================================
  Files         199      199              
  Lines       76204    76323     +119     
==========================================
+ Hits        62435    62553     +118     
- Misses      13769    13770       +1     

Flag	Coverage Δ
cubesql	81.95% <97.49%> (+0.02%)	⬆️

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