bugfix: adding original field for all FieldRegion<T> specializations

In the merge request, an original magnetic field function is set for all possible specializations of the FieldRegion class. This removes an assertion call in the CbmRecoQaTask task execution (the mcbm_2024_qa_3105 test), which was reported by @a.bercuci.

added BugFix QA mCBM labels

requested review from @se.gorbunov

assigned to @se.gorbunov

added 1 commit

• 145084dc - bugfix: adding original field for all FieldRegion<T> specializations

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Dear @se.gorbunov, @s.zharko,

you have been identified as code owner of at least one file which was changed with this merge request.

Please check the changes and approve them or request changes.

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The changes are fixing the issue. Thank you very much for your fast reaction. @p.-a.loizeau I wonder though why this was not seen during the tests ?

Not sure.

I could reproduce the crash in local ctest -R <test_name> runs on run4, but I do not see it in either the CI pipelines of the last days (especially !1904 (merged) which I think introduced the problem) nor in the Nightly tests.
As this is linked to templates instantiation, it could be that when running in CDASH mode something extra is done with the libraries which loads the class specialization in the background, which is not present when running only ctest or only part of all the tests

Maybe @f.uhlig has some idea on what was happening here.

merged