Fix equality views creation for linear integer decisions

[Dekker1]

This change adds the missing case where reversing the transformation on
the value checked for equality does not remain integer and it is thus
known that the decision cannot equal the value.

[codecov]

Codecov Report

Attention: Patch coverage is 0% with 4 lines in your changes missing coverage. Please review.

Files with missing lines	Patch %	Lines
crates/huub/src/lib.rs	0.00%	4 Missing ⚠️

Files with missing lines	Coverage Δ
crates/huub/src/lib.rs	51.48% <0.00%> (-0.19%)	⬇️

[codspeed-hq]

CodSpeed Performance Report

Merging #150 will not alter performance

_{Comparing Dekker1:fix/linear_eq_view (df49a74) with develop (6593981)}

Summary

✅ 14 untouched benchmarks