* Final update copyright headers to reference license files at the repo root
Signed-off-by: spham <spham@amazon.com>
* Fix copyright validator unit tests to support the stale O3DE header scenario
Signed-off-by: spham <spham@amazon.com>
* Clarify ViewportWorldToScreen being in widget space and add DeviceScalingFactor
* -Fix viewport icons being draw wrong on high DPI displays
-Fix loading viewport icons from absolute paths, which
* Address review feedback, fix build