Added the UX approved camera icons, which will now turn transparent
and ignore mouse events when camera is selected so they do not
interfere with transform gizmos. Frustum visualization also changes
color according to selection state.
Change-Id: Id77066d9abb2b54696fae833201236afa238486a
Fixes: QDS-1208
Reviewed-by: Mahmoud Badri <mahmoud.badri@qt.io>
Reviewed-by: Thomas Hartmann <thomas.hartmann@qt.io>
A small icon and a placeholder mesh are displayed at the location of
the lights and cameras in the scene, to provide a way to see and
interact with them.
Change-Id: I1f90fce77a643cab2c3fda3ee2105af53dea57a9
Task-number: QDS-1177
Reviewed-by: Mahmoud Badri <mahmoud.badri@qt.io>
Reviewed-by: Thomas Hartmann <thomas.hartmann@qt.io>
