Invoke base.OnModelCreating after dynamic config

Move base.OnModelCreating(builder) to after builder.ConfigureDynamicEntities() in the docs example. This ensures dynamic entities are configured before the base model creation, reflecting the correct order to register dynamic entities in DbContext.OnModelCreating.

docs/en/low-code/index.md

@@ -154,8 +154,8 @@ Call `ConfigureDynamicEntities()` in your `DbContext`:
 ````csharp
 protected override void OnModelCreating(ModelBuilder builder)
 {
-    base.OnModelCreating(builder);
     builder.ConfigureDynamicEntities();
+    base.OnModelCreating(builder);
 }
 ````