Fix settings navigation advanced design (#7472)

This PR moved the settings navigation to the left and bottom
https://github.com/twentyhq/twenty/pull/7130

Updating the logic to:
-remove logic that move the existing
-add the setting icon to absolute

<img width="264" alt="Capture d’écran 2024-10-07 à 18 04 05"
src="https://github.com/user-attachments/assets/b848a5dd-50e9-48c2-bb50-1dcffa9481ac">
<img width="264" alt="Capture d’écran 2024-10-07 à 18 04 11"
src="https://github.com/user-attachments/assets/3812929c-dce0-410b-8caa-3ea1210af958">

packages/twenty-front/src/modules/ui/navigation/navigation-drawer/components/NavigationDrawer.tsx

@@ -53,8 +53,8 @@ const StyledItemsContainer = styled.div<{ isSubMenu?: boolean }>`
   display: flex;
   flex-direction: column;
   margin-bottom: auto;
-  overflow-y: auto;
-  ${({ isSubMenu, theme }) => !isSubMenu && `gap: ${theme.spacing(3)}`}
+  gap: ${({ theme }) => theme.spacing(3)};
+  ${({ isSubMenu }) => (!isSubMenu ? 'overflow-y: auto' : '')};
 `;
 
 export const NavigationDrawer = ({