Fix bug with Set equality/inequality

[jhpalmieri]

Description

Fixes Set inequality (issue #35178)

Changes

Details at #35178

• I have made sure that the title is self-explanatory and the description concisely explains the PR.
• I have linked an issue or discussion.
• I have created tests covering the changes.
• I have updated the documentation accordingly.

⌛ Dependencies

(none)

[github-actions]

Documentation preview for this PR is ready! 🎉
Built with commit: 421bb59

[codecov-commenter]

Codecov Report

Base: 88.60% // Head: 88.58% // Decreases project coverage by -0.02% ⚠️

Coverage data is based on head (421bb59) compared to base (8f5bbd2).
Patch coverage: 100.00% of modified lines in pull request are covered.

Additional details and impacted files

@@             Coverage Diff             @@
##           develop   #35197      +/-   ##
===========================================
- Coverage    88.60%   88.58%   -0.02%     
===========================================
  Files         2140     2140              
  Lines       397273   397274       +1     
===========================================
- Hits        352004   351936      -68     
- Misses       45269    45338      +69     

Impacted Files	Coverage Δ
src/sage/sets/set.py	93.25% <100.00%> (+0.01%)	⬆️
...e/combinat/cluster_algebra_quiver/mutation_type.py	49.88% <0.00%> (-3.09%)	⬇️
src/sage/combinat/combination.py	93.50% <0.00%> (-1.50%)	⬇️
src/sage/cpython/_py2_random.py	75.20% <0.00%> (-1.24%)	⬇️
src/sage/coding/channel.py	97.10% <0.00%> (-0.73%)	⬇️
src/sage/modular/modform/numerical.py	94.19% <0.00%> (-0.65%)	⬇️
src/sage/sets/integer_range.py	91.41% <0.00%> (-0.51%)	⬇️
src/sage/graphs/tutte_polynomial.py	93.57% <0.00%> (-0.46%)	⬇️
src/sage/graphs/generic_graph.py	89.14% <0.00%> (-0.44%)	⬇️
src/sage/schemes/elliptic_curves/cardinality.py	87.40% <0.00%> (-0.40%)	⬇️
... and 16 more

Help us with your feedback. Take ten seconds to tell us how you rate us. Have a feature suggestion? Share it here.

☔ View full report at Codecov.
📢 Do you have feedback about the report comment? Let us know in this issue.

[mkoeppe]

LGTM.