Missing import while building on Ubuntu 22

When building RobotAPI with all dependencies on local Ubuntu 22.04:

[ 25%] Building CXX object source/RobotAPI/libraries/aron/core/CMakeFiles/aron.dir/type/variant/Variant.cpp.o
❗  In file included from /home/albrecpe/ws/armar7/armarx/RobotAPI/source/RobotAPI/libraries/aron/core/data/variant/primitive/../../../type/variant/primitive/Int.h:30,
❗                   from /home/albrecpe/ws/armar7/armarx/RobotAPI/source/RobotAPI/libraries/aron/core/data/variant/primitive/Int.h:33,
❗                   from /home/albrecpe/ws/armar7/armarx/RobotAPI/source/RobotAPI/libraries/aron/core/data/variant/primitive/Int.cpp:24:
❗  /home/albrecpe/ws/armar7/armarx/RobotAPI/source/RobotAPI/libraries/aron/core/data/variant/primitive/../../../type/variant/primitive/../detail/PrimitiveVariant.h:67:14: error: ‘optional’ in namespace ‘std’ does not name a template type
❗     67 |         std::optional<ValueType>
❗        |              ^~~~~~~~
❗  /home/albrecpe/ws/armar7/armarx/RobotAPI/source/RobotAPI/libraries/aron/core/data/variant/primitive/../../../type/variant/primitive/../detail/PrimitiveVariant.h:1:1: note: ‘std::optional’ is defined in header ‘<optional>’; did you forget to ‘#include <optional>’?
❗    +++ |+#include <optional>
❗      1 | /*
❗  /home/albrecpe/ws/armar7/armarx/RobotAPI/source/RobotAPI/libraries/aron/core/data/variant/primitive/../../../type/variant/primitive/../detail/PrimitiveVariant.h:78:36: error: ‘optional’ in namespace ‘std’ does not name a template type
Consolidate compiler generated dependencies of target MathUtilsTest
❗     78 |         setDefaultValue(const std::optional<ValueType>& v)
❗        |                                    ^~~~~~~~

Including the header fixed this issue.

Another one:

[ 84%] Building CXX object source/RobotAPI/libraries/armem_objects/server/CMakeFiles/armem_objects_server.dir/instance/Visu.cpp.o
❗  /home/albrecpe/ws/armar7/armarx/RobotAPI/source/RobotAPI/components/armem/client/ObjectInstanceToIndex/ObjectInstanceToIndex.cpp: In member function ‘void armarx::ObjectInstanceToIndex::processObjectInstance(const armarx::armem::MemoryID&, const std::vector<armarx::armem::MemoryID>&)’:
❗  /home/albrecpe/ws/armar7/armarx/RobotAPI/source/RobotAPI/components/armem/client/ObjectInstanceToIndex/ObjectInstanceToIndex.cpp:217:14: error: ‘scoped_lock’ is not a member of ‘std’
❗    217 |         std::scoped_lock lock(objectMutex);
❗        |              ^~~~~~~~~~~
❗  /home/albrecpe/ws/armar7/armarx/RobotAPI/source/RobotAPI/components/armem/client/ObjectInstanceToIndex/ObjectInstanceToIndex.cpp:45:1: note: ‘std::scoped_lock’ is defined in header ‘<mutex>’; did you forget to ‘#include <mutex>’?
❗     44 | #include <RobotAPI/libraries/aron/common/aron_conversions/stl.h>
❗    +++ |+#include <mutex>
❗     45 |