Don't update global dayjs locale but make sure dayStartOfWeek can work properly

[pzgz]

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Types of changes

• [ ] New feature
• [x] Bug fix
• [ ] Enhancement
• [ ] Component style change
• [ ] Typescript definition change
• [ ] Documentation change
• [ ] Coding style change
• [ ] Refactoring
• [ ] Test cases
• [ ] Continuous integration
• [ ] Breaking change
• [ ] Others

Background and context

fixing for:

• #3021
• #3039
• #3509

Basically, I don't think we need to update global dayjs locale with dayStartOfWeek set in date-picker component, doing this will make impact on global dayjs component. And we can see the inconsistent behaviors caused by this action in issue #3509.

Solution

• Don't update global dayjs locale with dayStartOfWeek value passed to date-picker
• But when getting week in year value when rendering week picker, make sure dayStartOfWeek get considered properly

How is the change tested?

Check the two week pickers in date-picker page, when dayStartOfWeek is 0, 2025 has 53 weeks, at the second week picker with dayStartOfWeek = 1 , we should have 52 weeks in 2025.

Changelog

Component	Changelog(CN)	Changelog(EN)	Related issues
date-picker	不修改dayjs全局locale配置	Don't change global dayjs locale settings	#3021, #3039, #3509

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