Amy addGameObject should add into currentSceneTreeNode

[AmyOrz]

if has currentSceneTreeNode, add into it. if not, add into scene gameObject

[codecov-io]

Codecov Report

Merging #25 into dev will increase coverage by 0.04%. The diff coverage is n/a.

@@            Coverage Diff             @@
##              dev      #25      +/-   ##
==========================================
+ Coverage   87.18%   87.23%   +0.04%     
==========================================
  Files         293      295       +2     
  Lines        5050     5060      +10     
==========================================
+ Hits         4403     4414      +11     
+ Misses        647      646       -1

Impacted Files	Coverage Δ
...service/stateTuple/logic/GameObjectLogicService.js	89.47% <0%> (-3.86%)	:arrow_down:
...bal/src/service/state/engine/SceneEngineService.js	93.33% <0%> (-1.67%)	:arrow_down:
...src/service/stateTuple/logic/CameraLogicService.js	100% <0%> (ø)	:arrow_up:
...ice/record/editor/setting/OperateSettingService.js	100% <0%> (ø)	:arrow_up:
...ventHandler/LeftHeaderAddGameObjectEventHandler.js	100% <0%> (ø)	:arrow_up:
...service/state/engine/camera/CameraEngineService.js	100% <0%> (ø)	:arrow_up:
...rvice/record/editor/setting/ParseSettingService.js	0% <0%> (ø)	:arrow_up:
...src/service/state/engine/PrimitiveEngineService.js
...tate/editor/setting/HotKeysSettingEditorService.js	100% <0%> (ø)
.../service/stateTuple/logic/PrimitiveLogicService.js	100% <0%> (ø)
... and 2 more

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