优化内部组件索引机制（更改为SparseSet索引)减少用户切换索引成本

修复内部系统初始化逻辑 - 不应该再onInitialize中初始内部entities，移动到initialize中
ci跳过cocos项目避免ci失败
soa开放更多安全类型接口

packages/core/src/ECS/Utils/index.ts

@@ -5,4 +5,6 @@ export { IdentifierPool } from './IdentifierPool';
 export { Matcher } from './Matcher';
 export { Bits } from './Bits';
 export { ComponentTypeManager } from './ComponentTypeManager';
-export { BigIntFactory } from './BigIntCompatibility';
+export { BigIntFactory } from './BigIntCompatibility';
+export { SparseSet } from './SparseSet';
+export { ComponentSparseSet } from './ComponentSparseSet';