WIP: Add Email Verification for non-Microsoft/Google Emails

[samyakpiya]

Closes #8240

WIP - TODOs:

Sign Up Process

• Introduce server-level environment variable IS_EMAIL_VERIFICATION_REQUIRED (defaults to false)
• Ensure users joining an existing workspace through an invite are not required to validate their email
• Generate an email verification token
• Store the token in appToken
• Send email containing the verification link
  • Create new email template for email verification
• Create a frontend page to handle verification requests

Sign In Process

• After verifying user credentials, check if user's email is verified and prompt to to verify
• Show an option to resend the verification email

Database

• Rename the emailVerified colum on user to to isEmailVerified for consistency

Deployment

• Run a script/sql query to set isEmailVerified to true for all users with a Google/Microsoft email and all users that show an indication of a valid subscription (e.g. linked credit card)

[github-actions]

	Warnings
⚠️	Changes were made to the environment variables, but not to the documentation - Please review your changes and check if a change needs to be documented!

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