axmol v3 crash getViewProjMatrix() when getRunningScene null

[NgVThangBz]

• axmol version: v3 latest
• devices test on: ios (need check android)
• developing environments
  • NDK version: r23c
  • Xcode version: 14.2+
  • Visual Studio:
    • VS version: 2022 (17.9+)
    • MSVC version: 19.39+
    • Windows SDK version: 10.0.22621.0+
  • cmake version:
    Steps to Reproduce:

1. when launch app ios: i call

  Scene* scene = Scene::create();
  director->runWithScene(scene);

but now: _runningScene == null
need call: step Frame() now or wait for step Frame() to be called
2. if call: getViewProjMatrix() will crash

can check: axmol new HelloCpp
and run game