Replace ArrayCollection with Collection&Selectable on some entity typing (fix previous commit)

Updated entity properties to use Collection&Selectable for better type safety and interoperability. This change affects User, Household, Calendar, Person, AccompanyingPeriod, and EntityWorkflow classes.

src/Bundle/ChillCalendarBundle/Entity/Calendar.php

@@ -120,12 +120,12 @@ class Calendar implements TrackCreationInterface, TrackUpdateInterface, HasCente
     private ?int $id = null;
 
     /**
-     * @var ArrayCollection<int, Invite>
+     * @var \Doctrine\Common\Collections\Collection<int, \Chill\CalendarBundle\Entity\Invite>&Selectable
      */
     #[Serializer\Groups(['read', 'docgen:read'])]
     #[ORM\OneToMany(mappedBy: 'calendar', targetEntity: Invite::class, cascade: ['persist', 'remove', 'merge', 'detach'], orphanRemoval: true)]
     #[ORM\JoinTable(name: 'chill_calendar.calendar_to_invites')]
-    private ArrayCollection $invites;
+    private Collection&Selectable $invites;
 
     #[Serializer\Groups(['read', 'docgen:read'])]
     #[Assert\NotNull(message: 'calendar.A location is required')]