Rebase, make it work withmy changes

Author: Kelwan

ecsact/entt/detail/apply_pending.hh

@@ -13,10 +13,11 @@ auto apply_pending_add(::entt::registry& registry) -> void {
 			registry.emplace<C>(entity);
 		});
 	} else {
-		registry.view<pending_add<C>>().each(
+		registry.view<pending_add<C>>().each( //
 			[&](auto entity, const pending_add<C>& comp) {
 				registry.emplace<C>(entity, comp.value);
-				registry.emplace<beforechange_storage<C>>(entity, comp.value, false);
+				registry
+					.emplace<exec_beforechange_storage<C>>(entity, comp.value, false);
 			}
 		);
 	}

ecsact/entt/detail/internal_markers.hh

@@ -38,7 +38,8 @@ struct beforeremove_storage<C> {
 template<typename C>
 	requires(!std::is_empty_v<C>)
 struct exec_beforechange_storage {
-	C value;
+	C    value;
+	bool has_update_occurred = false;
 };
 
 template<typename C>