4488 connect calendar tab to backend (#4624)

* create states and hooks

* implement fetch more records

* add empty state

* update types

* fix error

* add fetchmoreloader and add scroll to container

* fix visibility in calendarEventFragment

* fix fetchMoreRecords

* update TIMELINE_CALENDAR_EVENTS_DEFAULT_PAGE_SIZE

* add test

* modify empty state subtitle

* replace entity by activityTargetableObject

* create useCustomResolver hook

* refactor

* refactoring

* use generic component

* rename FetchMoreLoader

* remove deprecated states and hooks

* fix typing

* update typing

* update error message

* renaming

* improve typing

* fix bug on contact creation from same company

packages/twenty-front/src/modules/activities/calendar/queries/fragments/calendarEventFragment.ts

@@ -11,6 +11,7 @@ export const calendarEventFragment = gql`
     startsAt
     endsAt
     isFullDay
+    visibility
     attendees {
       ...AttendeeFragment
     }