* 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>
The clear material override properties button was not sending the notification to update the entity or undo state.
Signed-off-by: guthadam <guthadam@amazon.com>