Change inputmode and type to email in login view

[Siedlerchr]

Proposed changes

Change input type to email and inputmode to email. The latter one will show a custom keyboard on mobile devices which directly contains an "@" and a button for the dot. https://css-tricks.com/everything-you-ever-wanted-to-know-about-inputmode/

Types of changes

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• [ ] Bugfix (non-breaking change which fixes an issue)
• [x] New feature (non-breaking change which adds functionality)
• [ ] Breaking change (fix or feature that would cause existing functionality to not work as expected)

Checklist

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• [x] I have read the CONTRIBUTING doc
• [x] I have signed the CLA
• [ ] I have added tests that prove my fix is effective or that my feature works
• [ ] I have added necessary documentation (if appropriate)
• [ ] Any dependent changes have been merged and published in downstream modules

Further comments

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[apozohue10]

Thanks! Merged!