feat: #1596 Implement email styling enhancements

[ianliuwk1019]

Closes: #1596

• update frontend T&C component to add some note.
• on GC Notify, create _V2 templates for both regular user template and delegated admin template.
• update both "server/backend" and "server/admin_management" on GCNotifyEmailService to
  reflect the template id change and params change.
• update dynamic wording in code for templates parameters.
• save latest version to project "public" folder to be accessible as a link, and use it for delegated admin template.
• update granting user and granting delegated admin method to provide data for email params.
• adjust email template to show scoped client as a point lists.
• minor other email template adjustments on wording and spacing.

[craigyu]

Good work, i didn't test it locally since it was tested already

[sonarqubecloud]

Quality Gate failed for 'nr-forests-access-management_admin'

Failed conditions
70.6% Coverage on New Code (required ≥ 80%)

See analysis details on SonarCloud

[ianliuwk1019]

Good work, i didn't test it locally since it was tested already

No problem, definitely need to be tested once it is merged to dev.