* add better support for mouse deltas with camera system
* small fixes spotted during review
* rename after review feedback
* small refactor to reduce duplication
* update camera controller to block box select during orbit
* simplify update for modern viewport camera controller
* wip working lmb box select with orbit
* add test for changes to click detector
* add unit test for camera system to validate events
* remove debugging code, tidy-up changes for PR
* small updates before posting PR
* fix for linux build failure
* add find entity in viewport functionality to new camera
* fix AZ_CVAR usage
* updates following review feedback
- updated comment styles from /// to //!
- retrieve fov of camera (add test for fov access)
* update namespace naming, fix AZ_CVAR usage
* update missed namespace and use AZ::Transform::CreateLookAt
* add missing include
* move EditorViewportSettings to EditorLib
* update DLL import/export API and rename namespace usage
* use new ViewportContext interface to set camera transform on load
* WIP fixes for camera viewport handler callbacks
* disable synchonization with old camera when new camera system is enabled
* further updates to camera-input
* ensure event is signalled when camera transform is set
* updates to ModernViewportCameraController
* fix for right click menu appearing with camera
* updates following review feedback
* convert std:: usage to AZStd::