Unique fields - add unicity toggle on data model settings (#13592)

To review after https://github.com/twentyhq/twenty/pull/13539

closes https://github.com/twentyhq/core-team-issues/issues/1224

---------

Co-authored-by: Charles Bochet <charles@twenty.com>

packages/twenty-front/src/modules/object-metadata/hooks/__mocks__/useFieldMetadataItem.ts

@@ -17,6 +17,7 @@ export const queries = {
         icon
         isCustom
         isActive
+        isUnique
         isNullable
         createdAt
         updatedAt
@@ -99,6 +100,7 @@ export const queries = {
         icon
         isCustom
         isActive
+        isUnique
         isNullable
         createdAt
         updatedAt
@@ -131,6 +133,7 @@ export const variables = {
         options: undefined,
         settings: undefined,
         isLabelSyncedWithName: true,
+        isUnique: undefined,
         objectMetadataId,
         type: 'TEXT',
       },