[CanHandler] Updated command end events

src/boards/Main/CanHandler/CanHandler.cpp

src/boards/Main/CanHandler/CanHandler.h

src/boards/Main/Configs/CanHandlerConfig.h

src/boards/Payload/CanHandler/CanHandler.cpp

src/boards/Payload/CanHandler/CanHandler.h

src/boards/Payload/Configs/CanHandlerConfig.h

src/tests/Main/test-can-handler.cpp