[Core] Warn when module name is empty

[alxbilger]

Example:

[WARNING] [ObjectFactory] Module name cannot be found when registering BeamInterpolation<Rigid3d> into the object factory
[WARNING] [ObjectFactory] Module name cannot be found when registering AdaptiveBeamSlidingConstraint<Rigid3d> into the object factory
[WARNING] [ObjectFactory] Module name cannot be found when registering DeprecatedComponent<> into the object factory
[WARNING] [ObjectFactory] Module name cannot be found when registering AdaptiveBeamController<Rigid3d> into the object factory
[WARNING] [ObjectFactory] Module name cannot be found when registering BeamAdapterActionController<Rigid3d> into the object factory
[WARNING] [ObjectFactory] Module name cannot be found when registering InterventionalRadiologyController<Rigid3d> into the object factory
[WARNING] [ObjectFactory] Module name cannot be found when registering SutureController<Rigid3d> into the object factory
[WARNING] [ObjectFactory] Module name cannot be found when registering AdaptiveBeamForceFieldAndMass<Rigid3d> into the object factory
[WARNING] [ObjectFactory] Module name cannot be found when registering AdaptiveInflatableBeamForceField<Rigid3d> into the object factory
[WARNING] [ObjectFactory] Module name cannot be found when registering AdaptiveBeamMapping<Rigid3d,Vec3d> into the object factory
[WARNING] [ObjectFactory] Module name cannot be found when registering AdaptiveBeamMapping<Rigid3d,Rigid3d> into the object factory
[WARNING] [ObjectFactory] Module name cannot be found when registering BeamLengtthMapping<Rigid3d,Vec1d> into the object factory

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I have read, understand, and agree SOFA Developer Certificate of Origin (DCO).

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Reviewers will merge this pull-request only if

• it builds with SUCCESS for all platforms on the CI.
• it does not generate new warnings.
• it does not generate new unit test failures.
• it does not generate new scene test failures.
• it does not break API compatibility.
• it is more than 1 week old (or has fast-merge label).

[alxbilger]

[ci-build][with-all-tests]

[fredroy]

There are a few tests/scenes throwing the new warnings (especially with the image plugin), but this was to be expected I guess.
Strangely, I would have predicted Jenkins/gtest to consider those as "FAILED" (and having some additional failures in the summary) but it does not. 🤔

[alxbilger]

I don't think that warnings are considered as failure in the tests