Add Mac platform

Source/Engine/Visject/ShaderGraph.cpp

@@ -769,6 +769,7 @@ void ShaderGenerator::ProcessGroupTools(Box* box, Node* node, Value& value)
         PLATFORM_CASE(8, "PLATFORM_ANDROID");
         PLATFORM_CASE(9, "PLATFORM_SWITCH");
         PLATFORM_CASE(10, "PLATFORM_PS5");
+        PLATFORM_CASE(11, "PLATFORM_MAC");
 #undef PLATFORM_CASE
         break;
     }

Source/Engine/Visject/VisjectGraph.cpp

@@ -917,6 +917,9 @@ void VisjectExecutor::ProcessGroupTools(Box* box, Node* node, Value& value)
         case PlatformType::PS5:
             boxId = 10;
             break;
+        case PlatformType::Mac:
+            boxId = 11;
+            break;
         default: ;
         }
         value = tryGetValue(node->GetBox(node->GetBox(boxId)->HasConnection() ? boxId : 1), Value::Zero);