Fix of the bugs:

Fix of the bugs:
1) IPAL22049 TC5.1.5: Application crash at close document operation
2) Bug IPAL22067 TC5.1.5: SIGSEGV exception at close application after MESH-002 scenario execution

Avoid double deletion of the Salome Generic Objects:
1. First decrement of the reference count in the SALOMEDSImpl_AttributeIOR::~SALOMEDSImpl_AttributeIOR();
2. Second decrement of the reference count in RemovePostponed(...) method;