Fix note linked text in timeline view (in dark mode) (#6944)

This PR Fixes https://github.com/twentyhq/twenty/issues/6942

Other improvements : 
- Fetch activities (note and task) title only when loading timeline, so
we don't always have a clickable title.
- Fixed IconButton width regression.

---------

Co-authored-by: Lucas Bordeau <bordeau.lucas@gmail.com>

packages/twenty-front/src/modules/object-record/multiple-objects/hooks/useCombinedFindManyRecords.ts

@@ -11,13 +11,13 @@ export const useCombinedFindManyRecords = ({
   skip = false,
 }: {
   operationSignatures: RecordGqlOperationSignature[];
-  skip: boolean;
+  skip?: boolean;
 }) => {
   const findManyQuery = useGenerateCombinedFindManyRecordsQuery({
     operationSignatures,
   });
 
-  const { data } = useQuery<MultiObjectRecordQueryResult>(
+  const { data, loading } = useQuery<MultiObjectRecordQueryResult>(
     findManyQuery ?? EMPTY_QUERY,
     {
       skip,
@@ -35,5 +35,6 @@ export const useCombinedFindManyRecords = ({
 
   return {
     result: resultWithoutConnection,
+    loading,
   };
 };