Fix Activities and Tasks modules (#2561)

* Fix activities

* Fix Timeline

* Refactor useCreateOne and useUpdateOne records

* Fix seeds

front/src/modules/activities/utils/getTargetableEntitiesWithParents.ts

@@ -0,0 +1,16 @@
+import { ActivityTargetableEntity } from '../types/ActivityTargetableEntity';
+
+export const getTargetableEntitiesWithParents = (
+  entities: ActivityTargetableEntity[],
+): ActivityTargetableEntity[] => {
+  const entitiesWithRelations: ActivityTargetableEntity[] = [];
+  for (const entity of entities ?? []) {
+    entitiesWithRelations.push(entity);
+    if (entity.relatedEntities) {
+      for (const relatedEntity of entity.relatedEntities ?? []) {
+        entitiesWithRelations.push(relatedEntity);
+      }
+    }
+  }
+  return entitiesWithRelations;
+};