Synchronize the native setSlotTexture with the web logic

[bofeng-song]

Re: #
#18810
https://forum.cocos.org/t/topic/169762
https://forum.cocos.org/t/topic/167558/1136

Changelog

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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.

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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.

[bofeng-song]

@cocos-robot run test cases

[github-actions]

Code Size Check Report

Wechat (WASM)	Before	After	Diff
2D Empty (legacy pipeline)	1006670 bytes	1006670 bytes	✅ 0 bytes
2D All (legacy pipeline)	2671992 bytes	2671992 bytes	✅ 0 bytes
2D All (new pipeline)	2760900 bytes	2760900 bytes	✅ 0 bytes
(2D + 3D) All	10017234 bytes	10017234 bytes	✅ 0 bytes

Web (WASM + ASMJS)	Before	After	Diff
(2D + 3D) All	16838757 bytes	16838757 bytes	✅ 0 bytes

Interface Check Report

This pull request does not change any public interfaces !

[github-actions]

@bofeng-song, Please check the result of run test cases:

• Test Platform: PR-Test
• Editor Version: v3.8.7
• Task Result: PASS
• Task URL: https://cctest.cocos.org/#/reportview/PR-TEST/608112e3-b7a4-4ebe-b84d-914c993a6ff8/-1
• GitHub Action: https://github.com/cocos/cocos-engine/actions/runs/16767059082

Task Details

[github-actions]

@bofeng-song, Please check the result of run test cases:

• Test Platform: PR-Test
• Editor Version: v3.8.7
• Task Result: PASS
• Task URL: https://cctest.cocos.org/#/reportview/PR-TEST/55be160a-6612-4780-b210-1150b6867b51/-1
• GitHub Action: https://github.com/cocos/cocos-engine/actions/runs/16767059082

Task Details