make vector cmp match axes

[adienes]

closes #48916 as suggested by @oscardssmith

I believe the more consistent behavior here would be for isless to error when comparing two Arrays a and b where eachindex(a,b)∉(eachindex(a), eachindex(b)) (similarly to how it works with Complex numbers or other collections like Dict that don't have an ordering.

[adienes]

very tangential, but it's a shame to have to use exceptions here. partial orders seem like the perfect use case for a Some-or-nothing API

[adienes]

@nanosoldier runtests()

[nanosoldier]

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[adienes]

@nanosoldier runtests(["MethodInspector", "ClusteringGA", "Andes", "MetaGraphsNext", "IJulia", "KalmanFilters", "MatrixProfile", "PlantGeomTurtle", "MixedModelsMakie", "SBMLToolkitTestSuite"])

[nanosoldier]

The package evaluation job you requested has completed - possible new issues were detected.
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2 packages failed only on the current version.

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[adienes]

bump

[martinholters]

Looks reasonable to me. Should this be mentioned in the docs somewhere?

[adienes]

arguably comparing indices first is "already" lexicographic, and it's just a question of how do you align / zip the axes together, but good idea to spell that out explicitly

[jishnub]

Seems reasonable to me.

[adienes]

CI failure is #59650

seeing two approvals: merging