Refactor SingleRecordPicker to handle morphs (#14956)

## Scope

- Refactor SingleRecordPicker to handle morphItem and match Multiple one
- fix query generation to take morph into account


Left: 
- double check SingleRecordPicker in Workflows / Form
- Fix tests / stories

packages/twenty-front/src/modules/activities/inline-cell/hooks/useUpdateActivityTargetFromCell.ts

@@ -6,7 +6,7 @@ import { objectMetadataItemsState } from '@/object-metadata/states/objectMetadat
 import { CoreObjectNameSingular } from '@/object-metadata/types/CoreObjectNameSingular';
 import { useCreateOneRecord } from '@/object-record/hooks/useCreateOneRecord';
 import { useDeleteOneRecord } from '@/object-record/hooks/useDeleteOneRecord';
-import { searchRecordStoreComponentFamilyState } from '@/object-record/record-picker/multiple-record-picker/states/searchRecordStoreComponentFamilyState';
+import { searchRecordStoreFamilyState } from '@/object-record/record-picker/multiple-record-picker/states/searchRecordStoreComponentFamilyState';
 import { type RecordPickerPickableMorphItem } from '@/object-record/record-picker/types/RecordPickerPickableMorphItem';
 import { recordStoreFamilyState } from '@/object-record/record-store/states/recordStoreFamilyState';
 import { useRecoilCallback, useSetRecoilState } from 'recoil';
@@ -58,7 +58,6 @@ export const useUpdateActivityTargetFromCell = ({
       async ({
         morphItem,
         activityTargetWithTargetRecords,
-        recordPickerInstanceId,
       }: UpdateActivityTargetFromCellProps) => {
         const targetObjectName =
           activityObjectNameSingular === CoreObjectNameSingular.Task
@@ -105,12 +104,7 @@ export const useUpdateActivityTargetFromCell = ({
           }
         } else {
           const searchRecord = snapshot
-            .getLoadable(
-              searchRecordStoreComponentFamilyState.atomFamily({
-                instanceId: recordPickerInstanceId,
-                familyKey: morphItem.recordId,
-              }),
-            )
+            .getLoadable(searchRecordStoreFamilyState(morphItem.recordId))
             .getValue();
 
           if (!isDefined(searchRecord) || !isDefined(searchRecord?.record)) {