feat: filter assignments by id

src/Repository/AssignmentRepository.php

@@ -85,6 +85,13 @@ class AssignmentRepository extends ServiceEntityRepository
 
     private function applyFilterSettings(AssignmentFilterDto $filterDto, QueryBuilder $qb): void
     {
+        if (null !== $filterDto->getId()) {
+            $qb
+                ->andWhere($qb->expr()->eq('assignment.id', ':id'))
+                ->setParameter('id', $filterDto->getId())
+            ;
+        }
+
         if (false === $filterDto->isIncludePast()) {
             $qb
                 ->andWhere($qb->expr()->gte('destination.dateFrom', ':now'))