feat: disable atomic operation on nestjs graphql models (#751)

* feat: no atomic

* feat: update front not atomic operations

* feat: optional fields for person model & use proper gql type

* Fix bug display name

* Fix bug update user

* Fixed bug avatar URL

* Fixed display name on people cell

* Fix lint

* Fixed storybook display name

* Fix storybook requests

---------

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

front/src/modules/activities/timeline/components/Timeline.tsx

@@ -252,10 +252,7 @@ export function Timeline({ entity }: { entity: CommentableEntity }) {
                   <IconNotes />
                 </StyledIconContainer>
                 <StyledItemTitleContainer>
-                  <span>
-                    {commentThread.author.firstName}{' '}
-                    {commentThread.author.lastName}
-                  </span>
+                  <span>{commentThread.author.displayName}</span>
                   created a note
                 </StyledItemTitleContainer>
                 <StyledItemTitleDate id={`id-${commentThread.id}`}>