WTI-2590: Implemented a new interface of the IAssemblyToolKernelFactory to create instances based on the new kernel: - Added a testfactory for the new configuration
WTI-2590: Implemented a new interface of the IAssemblyToolKernelFactory to create instances based on the new kernel: - Renamed the test factory and the affected stubs for the new implementation
WTI-2590: Renamed the IAssemblyToolKernelFactory interface to implement a new interface based on the new kernel: - Renamed realisation to _Old_ to put aside the new implementation