fix(shader): HDR output for all floating point render targets

[jk20012001]

Re: #

Changelog

• The blend add passes are forced to output to the LDR Gamma color space, the actual format of the render target should be used to determine LDR or HDR.

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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.

[github-actions]

@jk20012001, Please check the result of run test cases:

• Test Platform: PR-Test
• Editor Version: v4.0.0
• Task Result: FAIL
• Task URL: https://cctest.cocos.org/#/reportview/PR-TEST/d67f8939-a9a0-4855-a5a7-c358ae8b39bf/-1
• GitHub Action: https://github.com/cocos/cocos4/actions/runs/35488747296

Task Details

Platform	build	boot	runned	crashScene	FailScene
web-mobile	PASS	PASS	FAIL		graphics-draw-before-init
ios	PASS	PASS	PASS
mac	PASS	PASS	PASS

[github-actions]

@jk20012001, Please check the result of run test cases:

• Test Platform: PR-Test
• Editor Version: v4.0.0
• Task Result: PASS
• Task URL: https://cctest.cocos.org/#/reportview/PR-TEST/a2811846-89fd-4ec9-bc9a-b9ed26087628/-1
• GitHub Action: https://github.com/cocos/cocos4/actions/runs/35488747296

Task Details

[jk20012001]

测试流程
打开cocos-test-projects/material/surface-shader 场景
查看场景中的物体，和图片一样说明该修复没有问题