Fixed compilation issues under gcc11

source/RobotAPI/components/ArViz/ArVizStorage.cpp

source/RobotAPI/components/DebugDrawer/DebugDrawerHelper.h

...ponents/DynamicObstacleManager/DynamicObstacleManager.cpp

...otAPI/components/DynamicObstacleManager/ManagedObstacle.h

...omponents/KITProstheticHandUnit/KITProstheticHandUnit.cpp

source/RobotAPI/components/units/GraspCandidateObserver.cpp

...ents/units/RobotUnit/NJointControllers/GazeController.cpp

...it/NJointControllers/NJointTaskSpaceImpedanceController.h

...units/RobotUnit/RobotUnitModules/RobotUnitModuleLogging.h

.../RobotUnitModules/RobotUnitModuleSelfCollisionChecker.cpp

...ts/units/RobotUnit/util/HeterogenousContinuousContainer.h

...i-plugins/ObjectPoseGui/ObjectPoseGuiWidgetController.cpp

source/RobotAPI/libraries/ArmarXObjects/ObjectFinder.cpp

...tAPI/libraries/RobotStatechartHelpers/RobotNameHelper.cpp

...botAPI/libraries/RobotStatechartHelpers/RobotNameHelper.h

...tAPI/libraries/SimpleJsonLogger/SimpleJsonLoggerEntry.cpp

...braries/armem_objects/server/instance/RobotHeadMovement.h

source/RobotAPI/libraries/aron/core/data/rw/Writer.h

source/RobotAPI/libraries/aron/core/type/rw/Writer.h

source/RobotAPI/libraries/aron/core/typereader/xml/Data.h