[linter] Apply cppcheck

include/dynamic-graph/time-dependency.t.cpp

src/debug/real-time-logger.cpp

src/dgraph/entity.cpp

src/signal/signal-caster.cpp

src/traces/tracer-real-time.cpp

tests/CMakeLists.txt

tests/command-test.cpp

tests/custom-entity.cpp

tests/debug-logger-winit.cpp

tests/debug-logger.cpp

tests/debug-real-time-tracer.cpp

tests/debug-trace.cpp

tests/debug-tracer.cpp

tests/entity.cpp

tests/exceptions.cpp

tests/factory.cpp

tests/pool.cpp

tests/signal-all.cpp

tests/signal-cast-registerer.cpp

tests/signal-ptr.cpp