ECS and cleanup body system, merge body templates and presets into body prototypes (#11991)

Co-authored-by: Jezithyr <Jezithyr@gmail.com>

Content.Shared/MedicalScanner/SharedMedicalScannerComponent.cs

@@ -25,7 +25,7 @@ namespace Content.Shared.MedicalScanner
 
         public bool CanInsert(EntityUid entity)
         {
-            return IoCManager.Resolve<IEntityManager>().HasComponent<SharedBodyComponent>(entity);
+            return IoCManager.Resolve<IEntityManager>().HasComponent<BodyComponent>(entity);
         }
 
         bool IDragDropOn.CanDragDropOn(DragDropEvent eventArgs)