fix: login logic can execute while loading

[KurumiFrost]

Types of changes

• New feature
• Bug fix
• Documentation change
• Coding style change
• Refactoring
• Performance improvement
• Test cases
• Continuous integration
• Typescript definition change
• Breaking change

Background and context

登录按钮点击后加载时可以重复点击发送请求
you can still click login button to execute login while loading

Solution

when button loading stop the login function

How is the change tested?

Changelog

Changelog(CN)	Changelog(EN)	Related issues

Checklist:

• Provide changelog for relevant changes (e.g. bug fixes and new features) if applicable.
• Changes are submitted to the appropriate branch (e.g. features should be submitted to feature branch and others should be submitted to master branch)

Other information