尝试重新加载Level时，会报错退出

[Zhang Yufeng]

Describe the bug | Bug描述
在实现运行时切换Level的功能时，尝试重新加载Level时，会报错退出

每次运行都会卡在JoltPhysics的这个函数中，JPH_ASSERT(!body->IsInBroadPhase());，导致无法重新加载Level

Body *BodyManager::RemoveBodyInternal(const BodyID &inBodyID)
{
	// Get body
	uint32 idx = inBodyID.GetIndex();
	Body *body = mBodies[idx];

	// Validate that it can be removed
	JPH_ASSERT(body->GetID() == inBodyID);
	JPH_ASSERT(!body->IsActive());
	JPH_ASSERT(!body->IsInBroadPhase());
	
	// Push the id onto the freelist
	mBodies[idx] = (Body *)mBodyIDFreeListStart;
	mBodyIDFreeListStart = (uintptr_t(idx) << cFreedBodyIndexShift) | cIsFreedBody;

	return body;
}

[Zhang Yufeng]

由于添加了character，没有正常设置，导致报错