Fix weird desktop navigation

See merge request VR-Group/unreal-development/plugins/rwth-vr-toolkit!17

use head forward/right etc. in destop mode, otherwise adjusting the right hand to the mouse cursor also influences the forward travel direction, which feels weird

Improve desktop test interaction

See merge request VR-Group/unreal-development/plugins/rwth-vr-toolkit!15

addition to previous InteractionRaytracing Bug Fix

See merge request VR-Group/unreal-development/plugins/rwth-vr-toolkit!12

also check whether HitActor is not nullptr on Tick (apparently Actor can be nullptr even if isSet is true)
adding to the fix in commit 9de243b2

Fixed Nullpointer Exception when Interacting with BrushActor

See merge request VR-Group/unreal-development/plugins/rwth-vr-toolkit!10

Remove nDisplay Dependency

See merge request VR-Group/unreal-development/plugins/rwth-vr-toolkit!5

Have VirtualRealityPawn generate overlap events

See merge request VR-Group/unreal-development/plugins/rwth-vr-toolkit!8

fix loading/getting of cluster manager if DisplayCluster module was not loaded yet

See merge request VR-Group/unreal-development/plugins/rwth-vr-toolkit!7

# Conflicts:
#	Source/RWTHVRToolkit/Private/Utility/VirtualRealityUtilities.cpp
#	Source/RWTHVRToolkit/Public/Utility/VirtualRealityUtilities.h

Adding Calibratio to the RWTH VR Toolkit + Some misc fixes

See merge request VR-Group/unreal-development/plugins/rwth-vr-toolkit!4

Moving LoadAsset and adding LoadClass to VRUtilities. Also adding Calibratio as named clustercomponent

Removing the FNDisplayStereoDevice, since this was fixed in a later release of 4.26 and is not needed anymore

Adding ExternalImage which adds a common (UMG-) class to load external images from files or URLs

See merge request VR-Group/unreal-development/plugins/rwth-vr-toolkit!3