Make IOExample tests more robust to diffs due to DetDesc
This MR introduces a DetDescExclusions file which is used by the IOExample tests only when DD4Hep is not enabled. This allows to have the same reference files for DetDesc and DD4Hep
This MR introduces a DetDescExclusions file which is used by the IOExample tests only when DD4Hep is not enabled. This allows to have the same reference files for DetDesc and DD4Hep