chore: Enable plan stability tests for native_datafusion

[andygrove]

Which issue does this PR close?

Closes #.

Blocked by #2672

Rationale for this change

Note that DPP is disabled for native_datafusion for now due to #2672

What changes are included in this PR?

How are these changes tested?

[codecov-commenter]

Codecov Report

❌ Patch coverage is 40.00000% with 3 lines in your changes missing coverage. Please review.
✅ Project coverage is 59.25%. Comparing base (f09f8af) to head (7a9960f).
⚠️ Report is 654 commits behind head on main.

Files with missing lines	Patch %	Lines
...ala/org/apache/spark/sql/comet/CometScanExec.scala	25.00%	0 Missing and 3 partials ⚠️

Additional details and impacted files

@@             Coverage Diff              @@
##               main    #2673      +/-   ##
============================================
+ Coverage     56.12%   59.25%   +3.12%     
- Complexity      976     1450     +474     
============================================
  Files           119      147      +28     
  Lines         11743    13797    +2054     
  Branches       2251     2369     +118     
============================================
+ Hits           6591     8175    +1584     
- Misses         4012     4393     +381     
- Partials       1140     1229      +89     

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