Revise entity get/find functions

source/RobotAPI/libraries/armem/CMakeLists.txt

source/RobotAPI/libraries/armem/core/base/EntityBase.h

source/RobotAPI/libraries/armem/core/base/detail/derived.h

...RobotAPI/libraries/armem/core/base/detail/lookup_mixins.h

...e/RobotAPI/libraries/armem/core/longtermmemory/Entity.cpp

source/RobotAPI/libraries/armem/core/longtermmemory/Entity.h

...API/libraries/armem/core/wm/detail/data_lookup_mixins.cpp

...otAPI/libraries/armem/core/wm/detail/data_lookup_mixins.h

...e/RobotAPI/libraries/armem/core/wm/memory_definitions.cpp

source/RobotAPI/libraries/armem/core/wm/memory_definitions.h

...s/armem/server/query_proc/base/EntityQueryProcessorBase.h

...RobotAPI/libraries/armem/server/wm/memory_definitions.cpp