refactor: use BatchAdapterFactory for scan adaptation

[ethan-tyler]

Description

Follow up to the DF 52 upgrade. Replaces custom scan batch casting logic
with DataFusion's BatchAdapterFactory via datafusion-physical-expr-adapter.

Adds hardening tests for schema evolution and DV scan behavior

Keeps DF default behavior with no custom compatibility mode

Related Issue(s)

Documentation

[ethan-tyler]

FYI I have a follow up hardening PR on top of this

[codecov]

Codecov Report

❌ Patch coverage is 80.24691% with 16 lines in your changes missing coverage. Please review.
✅ Project coverage is 76.67%. Comparing base (f157cdc) to head (5fe3a79).
⚠️ Report is 1 commits behind head on main.

Files with missing lines	Patch %	Lines
...a_datafusion/table_provider/next/scan/exec_meta.rs	0.00%	10 Missing ⚠️
...c/delta_datafusion/table_provider/next/scan/mod.rs	91.54%	4 Missing and 2 partials ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #4195      +/-   ##
==========================================
- Coverage   76.67%   76.67%   -0.01%     
==========================================
  Files         166      166              
  Lines       47059    47099      +40     
  Branches    47059    47099      +40     
==========================================
+ Hits        36082    36112      +30     
- Misses       9195     9204       +9     
- Partials     1782     1783       +1     

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[ion-elgreco]

Nice stuff with adding all the tests!