Add workspace favorites behind feature flag (#6904)

- make member nullable on favorites
- add potential relation with view entity
- add a new type of favorite list in front : workspace favorite
- build a new component for retrieving workspace favorite to display +
refacto the existing one

Bonus:
- removing activities seed since this is deprecated

packages/twenty-front/src/modules/favorites/utils/sort-favorites.util.ts

@@ -0,0 +1,48 @@
+import { Favorite } from '@/favorites/types/Favorite';
+import { FieldMetadataItem } from '@/object-metadata/types/FieldMetadataItem';
+import { ObjectRecordIdentifier } from '@/object-record/types/ObjectRecordIdentifier';
+import { isDefined } from 'twenty-ui';
+
+export const sortFavorites = (
+  favorites: Favorite[],
+  favoriteRelationFieldMetadataItems: FieldMetadataItem[],
+  getObjectRecordIdentifierByNameSingular: (
+    record: any,
+    objectNameSingular: string,
+  ) => ObjectRecordIdentifier,
+  hasLinkToShowPage: boolean,
+) => {
+  return favorites
+    .map((favorite) => {
+      for (const relationField of favoriteRelationFieldMetadataItems) {
+        if (isDefined(favorite[relationField.name])) {
+          const relationObject = favorite[relationField.name];
+
+          const relationObjectNameSingular =
+            relationField.toRelationMetadata?.fromObjectMetadata.nameSingular ??
+            '';
+
+          const objectRecordIdentifier =
+            getObjectRecordIdentifierByNameSingular(
+              relationObject,
+              relationObjectNameSingular,
+            );
+
+          return {
+            id: favorite.id,
+            recordId: objectRecordIdentifier.id,
+            position: favorite.position,
+            avatarType: objectRecordIdentifier.avatarType,
+            avatarUrl: objectRecordIdentifier.avatarUrl,
+            labelIdentifier: objectRecordIdentifier.name,
+            link: hasLinkToShowPage
+              ? objectRecordIdentifier.linkToShowPage
+              : '',
+          } as Favorite;
+        }
+      }
+
+      return favorite;
+    })
+    .sort((a, b) => a.position - b.position);
+};