Created partial unit test for repack and fixed detected issues.

objectstore/RootEntry.cpp

objectstore/cta.proto

scheduler/OStoreDB/OStoreDB.cpp

scheduler/OStoreDB/OStoreDB.hpp

scheduler/OStoreDB/OStoreDBFactory.hpp

scheduler/Scheduler.cpp

scheduler/Scheduler.hpp

scheduler/SchedulerDatabase.hpp

scheduler/SchedulerTest.cpp

xroot_plugins/XrdSsiCtaRequestMessage.cpp