Fixed MaterialPropertyValue::FromAny to preserve the Hint string when converting Asset objects. This fixed an issue where the hint didn't show up in the Material Component's instance inspector.

Signed-off-by: santorac <55155825+santorac@users.noreply.github.com>

Gems/Atom/RPI/Code/Source/RPI.Reflect/Material/MaterialPropertyValue.cpp

@@ -118,12 +118,16 @@ namespace AZ
             else if (value.is<Data::Asset<Data::AssetData>>())
             {
                 result.m_value = Data::Asset<RPI::ImageAsset>(
-                    AZStd::any_cast<Data::Asset<Data::AssetData>>(value).GetId(), azrtti_typeid<RPI::StreamingImageAsset>());
+                    AZStd::any_cast<Data::Asset<Data::AssetData>>(value).GetId(),
+                    azrtti_typeid<RPI::StreamingImageAsset>(),
+                    AZStd::any_cast<Data::Asset<Data::AssetData>>(value).GetHint());
             }
             else if (value.is<Data::Asset<StreamingImageAsset>>())
             {
                 result.m_value = Data::Asset<RPI::ImageAsset>(
-                    AZStd::any_cast<Data::Asset<StreamingImageAsset>>(value).GetId(), azrtti_typeid<RPI::StreamingImageAsset>());
+                    AZStd::any_cast<Data::Asset<StreamingImageAsset>>(value).GetId(),
+                    azrtti_typeid<RPI::StreamingImageAsset>(),
+                    AZStd::any_cast<Data::Asset<StreamingImageAsset>>(value).GetHint());
             }
             else if (value.is<Data::Asset<ImageAsset>>())
             {