Fix: wrong include order

This broke the build on local Ubuntu 22. I rearranged the include order and disabled clang-format for that code snippet to fix this problem permanently.

Also, added a missing <optional> include.

Confirmed successful build on local machine.

source/RobotAPI/libraries/GraspingUtility/GraspTrajectory.h

@@ -32,6 +32,7 @@
 
 #include <RobotAPI/interface/units/GraspCandidateProviderInterface.h>
 #include <RobotAPI/libraries/diffik/SimpleDiffIK.h>
+#include <optional>
 
 namespace armarx
 {