perf: Optimize array and list gather

[ritchie46]

For numerical arrays we now gather using the leaf array and the strides. Is probably an order of magnitude faster for small/and or nested dimensions.

[codecov]

Codecov Report

Attention: Patch coverage is 94.96403% with 7 lines in your changes missing coverage. Please review.

Project coverage is 80.23%. Comparing base (dbc8368) to head (7697eb0).
Report is 7 commits behind head on main.

Files with missing lines	Patch %	Lines
...s/polars-arrow/src/compute/take/fixed_size_list.rs	96.96%	4 Missing ⚠️
crates/polars-arrow/src/datatypes/mod.rs	0.00%	3 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main   #19327      +/-   ##
==========================================
- Coverage   80.24%   80.23%   -0.01%     
==========================================
  Files        1523     1523              
  Lines      209524   209666     +142     
  Branches     2434     2434              
==========================================
+ Hits       168127   168234     +107     
- Misses      40842    40877      +35     
  Partials      555      555              

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