feat: Toggle to "Disable new IP Login authorization" emails in /admin (#1030)

Co-authored-by: Jiralite <[email protected]>
Co-authored-by: Hampus <[email protected]>

fluxer_admin/src/routes/system_actions.rs

@@ -627,6 +627,9 @@ fn build_integrations_update(form: &MultiValueForm) -> InstanceConfigUpdateReque
                     password: clean("integration_smtp_password"),
                     secure: Some(form.bool_value("integration_smtp_secure")),
                 }),
+                disable_new_ip_authorization: Some(
+                    form.bool_value("integration_email_disable_new_ip_authorization"),
+                ),
             }),
             bluesky: Some(InstanceBlueskyIntegrationUpdateRequest {
                 enabled: Some(form.bool_value("integration_bluesky_enabled")),