Fix onboarding status performance issues (#6512)

Updated the onboardingStatus computation to improve performances

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Co-authored-by: Charles Bochet <charles@twenty.com>

packages/twenty-server/src/modules/calendar/calendar-event-import-manager/services/calendar-save-events.service.ts

@@ -141,6 +141,7 @@ export class CalendarSaveEventsService {
 
     this.eventEmitter.emit(`calendarEventParticipant.matched`, {
       workspaceId,
+      name: 'calendarEventParticipant.matched',
       workspaceMemberId: connectedAccount.accountOwnerId,
       calendarEventParticipants: savedCalendarEventParticipantsToEmit,
     });