Add message to indicate Json serialization of bitset is not supported (#5590)

Signed-off-by: amzn-sj <srikkant@amazon.com>

Code/Framework/AzCore/AzCore/Serialization/Json/JsonSystemComponent.cpp

@@ -104,6 +104,8 @@ namespace AZ
                 ->HandlesType<AZStd::variant>();
             jsonContext->Serializer<JsonOptionalSerializer>()
                 ->HandlesType<AZStd::optional>();
+            jsonContext->Serializer<JsonBitsetSerializer>()
+                ->HandlesType<AZStd::bitset>();
 
             MathReflect(jsonContext);
         }

Code/Framework/AzCore/AzCore/Serialization/Json/UnsupportedTypesSerializer.cpp

@@ -15,6 +15,7 @@ namespace AZ
     AZ_CLASS_ALLOCATOR_IMPL(JsonAnySerializer, SystemAllocator, 0);
     AZ_CLASS_ALLOCATOR_IMPL(JsonVariantSerializer, SystemAllocator, 0);
     AZ_CLASS_ALLOCATOR_IMPL(JsonOptionalSerializer, SystemAllocator, 0);
+    AZ_CLASS_ALLOCATOR_IMPL(JsonBitsetSerializer, SystemAllocator, 0);
 
     JsonSerializationResult::Result JsonUnsupportedTypesSerializer::Load(void*, const Uuid&, const rapidjson::Value&,
         JsonDeserializerContext& context)
@@ -49,4 +50,10 @@ namespace AZ
         return "The Json Serialization doesn't support AZStd::optional by design. No JSON format has yet been found that wasn't deemed too "
                "complex or overly verbose.";
     }
+
+    AZStd::string_view JsonBitsetSerializer::GetMessage() const
+    {
+        return "The Json Serialization doesn't support AZStd::bitset by design. No JSON format has yet been found that is content creator "
+               "friendly i.e., easy to comprehend the intent.";
+    }
 } // namespace AZ

Code/Framework/AzCore/AzCore/Serialization/Json/UnsupportedTypesSerializer.h

@@ -65,4 +65,14 @@ namespace AZ
     protected:
         AZStd::string_view GetMessage() const override;
     };
+
+    class JsonBitsetSerializer : public JsonUnsupportedTypesSerializer
+    {
+    public:
+        AZ_RTTI(JsonBitsetSerializer, "{10CE969D-D69E-4B3F-8593-069736F8F705}", JsonUnsupportedTypesSerializer);
+        AZ_CLASS_ALLOCATOR_DECL;
+
+    protected:
+        AZStd::string_view GetMessage() const override;
+    };
 } // namespace AZ