Fix a bug that prevented correct reading of IS objects with multiple levels of...

Fix a bug that prevented correct reading of IS objects with multiple levels of nested classes using ISInfoDynAny

=== is ===

Fix a bug that prevented correct reading of IS objects with multiple levels of nested classes (Serguei Kolos)
4 jobs for !278 with kolos/tdaq-09-04-00/is in 8 minutes and 26 seconds (queued for 40 seconds)
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