test: cover ArrayStaticFilter and dictionary flattening IN list

[peterxcli]

Which issue does this PR close?

• Closes SQL / slt coverage for IN lists #23307.

Rationale for this change

The remaining specialized IN-list paths need SQL-level coverage to verify dispatch and end-to-end behavior.

What changes are included in this PR?

Adds SQL logic tests for:

• generic ArrayStaticFilter values using lists
• dictionary literal flattening

The cases cover matches, non-matches, nulls, and NOT IN behavior where applicable.

What is the testing strategy for this PR?

slt

Are there any user-facing changes?

No.

[codecov-commenter]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 81.67%. Comparing base (262936e) to head (c973ef8).

Additional details and impacted files

@@            Coverage Diff             @@
##             main   #25001      +/-   ##
==========================================
- Coverage   81.67%   81.67%   -0.01%     
==========================================
  Files        1126     1126              
  Lines      414842   414842              
  Branches   414842   414842              
==========================================
- Hits       338841   338833       -8     
- Misses      56070    56076       +6     
- Partials    19931    19933       +2     

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[jayzhan211]

Thanks @peterxcli

[peterxcli]

@jayzhan211 thanks!