Fix up a couple opaque value cases

Signed-off-by: Nicholas Van Sickle <nvsickle@amazon.com>

Code/Framework/AzCore/AzCore/DOM/DomValue.cpp

@@ -1042,7 +1042,7 @@ namespace AZ::Dom
 
     const AZStd::any& Value::GetOpaqueValue() const
     {
-        return *AZStd::get<AZStd::shared_ptr<AZStd::any>>(m_value);
+        return *AZStd::get<OpaqueStorageType>(m_value);
     }
 
     void Value::SetOpaqueValue(const AZStd::any& value)
@@ -1165,7 +1165,7 @@ namespace AZ::Dom
                         result = visitor.EndNode(object.size(), arrayContainer.size());
                     }
                 }
-                else if constexpr (AZStd::is_same_v<Alternative, AZStd::any>)
+                else if constexpr (AZStd::is_same_v<Alternative, OpaqueStorageType>)
                 {
                     result = visitor.OpaqueValue(*arg);
                 }

Code/Framework/AzCore/AzCore/DOM/DomValue.h

@@ -158,6 +158,7 @@ namespace AZ::Dom
         using ShortStringType = AZStd::fixed_string<ShortStringSize>;
         using SharedStringContainer = AZStd::vector<char>;
         using SharedStringType = AZStd::shared_ptr<const SharedStringContainer>;
+        using OpaqueStorageType = AZStd::shared_ptr<AZStd::any>;
 
         //! The internal storage type for Value.
         //! These types do not correspond one-to-one with the Value's external Type as there may be multiple storage classes
@@ -184,7 +185,7 @@ namespace AZ::Dom
             // Node
             NodePtr,
             // Opaque
-            AZStd::shared_ptr<AZStd::any>>;
+            OpaqueStorageType>;
 
         // Constructors...
         Value();