Manually choose to send email notifications when sharing files

[tanzhenchao]

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Is your feature request related to a problem? Please describe.
Received a lot of feedback from users. When the user mistakenly selects sharing user, an email notification cannot be withdrawn immediately, and I hope to improve this function.

Describe the solution you'd like
Users want to be able to manually choose to send email notifications.
Similar to the following screenshot,

Describe alternatives you've considered
Add a prominent button for email notifications.
Similar to the following screenshot,

Additional context
Add any other context or screenshots about the feature request here.

[Jerome-Herbinet]

I agree. Interesting suggestion.