[LinearAlgebra] Add CompressedRowSparseMatrixConstraint tests

[fredroy]

Tests pulled from https://github.com/InSimo/ISSofa/blob/issofa/framework/framework_test/defaulttype/ConstraintSparseMatrix_test.cpp

Major modifications:

• bloc -> block
• some tests fixed (???)
• removal of MapMapSparse tests

+ Important fix: readLine returns a endIterator if the line index is not correct (as described by the description....)

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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).

[fredroy]

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

[fredroy]

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

[hugtalbot]

Intense to review for me but it looks good, and CI says yes