* 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>
* Fix sprite asset selection in property editor
* Linux compile fix
* More fixes for the custom Sprite property handler
* PR feedback to use existing constant image extension