Initialize ScriptingService earlier

Source/Engine/Engine/NativeInterop.Unmanaged.cs

@@ -1006,7 +1006,7 @@ namespace FlaxEngine.Interop
         }
 
         [UnmanagedCallersOnly]
-        internal static void ReloadScriptingAssemblyLoadContext()
+        internal static void LoadScriptingAssemblyLoadContext()
         {
 #if FLAX_EDITOR
             // Clear all caches which might hold references to assemblies in collectible ALC
@@ -1030,16 +1030,18 @@ namespace FlaxEngine.Interop
             FlaxEngine.Json.JsonSerializer.ResetCache();
 
             // Unload the ALC
-            bool unloading = true;
-            scriptingAssemblyLoadContext.Unloading += (alc) => { unloading = false; };
-            scriptingAssemblyLoadContext.Unload();
-
-            while (unloading)
-                System.Threading.Thread.Sleep(1);
+            if (scriptingAssemblyLoadContext != null)
+            {
+                bool unloading = true;
+                scriptingAssemblyLoadContext.Unloading += (alc) => { unloading = false; };
+                scriptingAssemblyLoadContext.Unload();
 
+                while (unloading)
+                    System.Threading.Thread.Sleep(1);
+            }
+#endif
             InitScriptingAssemblyLoadContext();
             DelegateHelpers.InitMethods();
-#endif
         }
 
         [UnmanagedCallersOnly]

Source/Engine/Engine/NativeInterop.cs

@@ -92,8 +92,6 @@ namespace FlaxEngine.Interop
             System.Threading.Thread.CurrentThread.CurrentCulture = CultureInfo.InvariantCulture;
             System.Threading.Thread.CurrentThread.CurrentUICulture = CultureInfo.InvariantCulture;
 
-            InitScriptingAssemblyLoadContext();
-            DelegateHelpers.InitMethods();
         }
 
 #if FLAX_EDITOR