[NvCloth] Replace legacy IsDedicated() call with new AZ_CVAR sv_isDedicated

Gems/NvCloth/Code/Source/Components/ClothComponent.cpp

@@ -10,9 +10,8 @@
  *
  */
 
-#include <ISystem.h>
-
 #include <AzCore/Serialization/SerializeContext.h>
+#include <AzCore/Console/Console.h>
 
 #include <Components/ClothComponent.h>
 
@@ -55,10 +54,14 @@ namespace NvCloth
     void ClothComponent::Activate()
     {
         // Cloth components do not run on dedicated servers.
-        AZ_Assert(gEnv, "Environment not ready");
-        if (gEnv->IsDedicated())
+        if (auto* console = AZ::Interface<AZ::IConsole>::Get())
         {
-            return;
+            bool isDedicated = false;
+            if (const auto result = console->GetCvarValue("sv_isDedicated", isDedicated);
+                result == AZ::GetValueResult::Success && isDedicated)
+            {
+                return;
+            }
         }
 
         AZ::Render::MeshComponentNotificationBus::Handler::BusConnect(GetEntityId());