fix(xo-web/backup): fix reportWhen being reset to undefined (#7235)

See Zammad#17506

Preventing `reportWhen` value from becoming undefined (and resetting to the
default value _Failure_) when a mirror backup is edited without modifying this
field.

CHANGELOG.unreleased.md

@@ -27,6 +27,7 @@
 - [Host/Smart reboot] Automatically retries up to a minute when `HOST_STILL_BOOTING` [#7194](https://github.com/vatesfr/xen-orchestra/issues/7194) (PR [#7231](https://github.com/vatesfr/xen-orchestra/pull/7231))
 - [Plugin/transport-slack] Compatibility with other services like Mattermost or Discord [#7130](https://github.com/vatesfr/xen-orchestra/issues/7130) (PR [#7220](https://github.com/vatesfr/xen-orchestra/pull/7220))
 - [Host/Network] Fix error "PIF_IS_PHYSICAL" when trying to remove a PIF that had already been physically disconnected [#7193](https://github.com/vatesfr/xen-orchestra/issues/7193) (PR [#7221](https://github.com/vatesfr/xen-orchestra/pull/7221))
+- [Mirror backup] Fix backup reports not being sent (PR [#7235](https://github.com/vatesfr/xen-orchestra/pull/7235))
 
 ### Packages to release
 

packages/xo-web/src/xo-app/backup/new/mirror/index.js

@@ -68,7 +68,7 @@ const normalize = state => {
   schedules = mapValues(schedules, ({ id, ...schedule }) => schedule)
   settings[''] = {
     ...advancedSettings,
-    reportWhen: reportWhen.value,
+    reportWhen: reportWhen.value ?? reportWhen,
     reportRecipients: reportRecipients.length !== 0 ? reportRecipients : undefined,
   }
   return {