[v3.8.6] Refactor some code to reduce package size.

[dumganhar]

Re: #

Changelog

---

Continuous Integration

This pull request:

• needs automatic test cases check.

  Manual trigger with @cocos-robot run test cases afterward.

• does not change any runtime related code or build configuration

  If any reviewer thinks the CI checks are needed, please uncheck this option, then close and reopen the issue.

---

Compatibility Check

This pull request:

• changes public API, and have ensured backward compatibility with deprecated features.
• affects platform compatibility, e.g. system version, browser version, platform sdk version, platform toolchain, language version, hardware compatibility etc.
• affects file structure of the build package or build configuration which requires user project upgrade.
• introduces breaking changes, please list all changes, affected features and the scope of violation.

[github-actions]

👍 Package size ⤵ -617 bytes, old: 5442241, new: 5441624

Interface Check Report

This pull request does not change any public interfaces !

[dumganhar]

@cocos-robot run test cases

[github-actions]

@dumganhar, Please check the result of run test cases:

• Test Platform: PR-Test
• Editor Version: v3.8.6
• Task Result: FAIL
• Task URL: https://cctest.cocos.org/#/reportview/PR-TEST/5770dbd1-e3fd-46e9-b5be-569d4f6631e5/-1
• GitHub Action: https://github.com/cocos/cocos-engine/actions/runs/12433357941

Task Details

Platform	build	boot	runned	crashScene	FailScene
web-mobile	PASS	PASS	FAIL		event-info,touch-event,DragonBones,dynamic-tiled-map,coordinate-ui-ui
ios	PASS	PASS	FAIL		2d-rendering-in-3d,atlas-compress,modelPriority,AnimationEvent,EasingMethods,Morph,SwitchAnimation,load-atlas-texture,test-js-list,event-info,touch-event,planar-shadow,shadowBias,DragonBones,LoadSpine,particle-rotation,rt-read-pixels,cameraUseRenderTex,canvasUseRenderTex,deprecated,CoreJsTest,terrain,tween-clone,tween-parallel,tween-removeself,tween-repeat,tween-show-hide,tween-stop,filter,simple,sliced-sprite,sprite-grayscale,trimmed,bmfont,button-click,anim-widget,layout-basic-grid,layout-basic-horizontal,rich-text-event,graphics-mask,mask-inverted,mask,slider,progress,graphics,pageView_free_horizontal,pageView_free_verticle,coordinate-ui-3d,coordinate-ui-ui,motion-streak,visibility-changed
mac	PASS	PASS	FAIL		2d-rendering-in-3d,EasingMethods,Morph,SwitchAnimation,event-info,planar-shadow,DragonBones,LoadSpine,particle-rotation,capture_to_web,terrain,bmfont,scroll-view-scroll-to-offset,coordinate-ui-3d,coordinate-ui-ui,motion-streak,visibility-changed

[github-actions]

@dumganhar, Please check the result of run test cases:

• Test Platform: PR-Test
• Editor Version: v3.8.6
• Task Result: FAIL
• Task URL: https://cctest.cocos.org/#/reportview/PR-TEST/9d437e6e-2e7e-436c-b324-40abd37cf045/-1
• GitHub Action: https://github.com/cocos/cocos-engine/actions/runs/12433357941

Task Details

Platform	build	boot	runned	crashScene	FailScene
windows	PASS	PASS	FAIL		2d-rendering-in-3d,Morph,SwitchAnimation,event-info,mouse-event,touch-event,geometry-renderer,planar-shadow,DragonBones,LoadSpine,SpineAttach,dynamic-tiled-map,particle-culling,particle-rotation,capture_to_web,raycast-mesh&model,bmfont,label-cacheMode-color,pageView_free_horizontal,coordinate-ui-3d,coordinate-ui-ui,motion-streak,visibility-changed
android	PASS	PASS	FAIL		2d-rendering-in-3d,modelPriority,AnimationEvent,Morph,PartAnimation,SwitchAnimation,image-importer,load-atlas-texture,test-js-list,audioBuffer,dynamic-mesh,event-first,event-info,multiTouch,touch-event,planar-shadow,shadowBias,localization,material,DragonBones,DragonBonesAttach,LoadSpine,SpineAttach,SpineBoy,dynamic-tiled-map,particle-color,particle-limit-velocity,particle-rotation,particle-velocity,rt-read-pixels,render-ui-to-spriteframe,cameraUseRenderTex,use-render-texture-asset,camera,hdr-ldr,raycast,CoreJsTest,terrain,tween-clone,tween-parallel,tween-removeself,tween-repeat-forever,tween-repeat,tween-show-hide,tween-stop,tween-then,tween,fill-sprite,filter,simple,sliced-sprite,sprite-grayscale,trimmed,bmfont,button-click,anim-widget,layout-size-changed,scroll-view-bounce-back,scroll-view-scroll-to-offset,rich-text-event,graphics-mask,mask-inverted,mask-migrate,mask-nesting,slider,progress,graphics-continuous-filling,graphics-draw-before-init,graphics,pageView_free_horizontal,coordinate-ui-3d,motion-streak,particle-2d-color,particle-2d-position-type-change,opacity-multi-canvas,visibility-changed
wechatgame	PASS	PASS	FAIL		event-info,touch-event,DragonBones,LoadSpine,coordinate-ui-ui