Activity as standard object (#6219)

In this PR I layout the first steps to migrate Activity to a traditional
Standard objects

Since this is a big transition, I'd rather split it into several
deployments / PRs

<img width="1512" alt="image"
src="https://github.com/user-attachments/assets/012e2bbf-9d1b-4723-aaf6-269ef588b050">

---------

Co-authored-by: Charles Bochet <charles@twenty.com>
Co-authored-by: bosiraphael <71827178+bosiraphael@users.noreply.github.com>
Co-authored-by: Weiko <corentin@twenty.com>
Co-authored-by: Faisal-imtiyaz123 <142205282+Faisal-imtiyaz123@users.noreply.github.com>
Co-authored-by: Prateek Jain <prateekj1171998@gmail.com>

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

@@ -1,8 +1,8 @@
-import { Link, useNavigate } from 'react-router-dom';
 import isPropValid from '@emotion/is-prop-valid';
 import { useTheme } from '@emotion/react';
 import styled from '@emotion/styled';
 import { isNonEmptyString } from '@sniptt/guards';
+import { Link, useNavigate } from 'react-router-dom';
 import { useSetRecoilState } from 'recoil';
 import { IconComponent, MOBILE_VIEWPORT, Pill } from 'twenty-ui';
 

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

@@ -0,0 +1,43 @@
+import {
+  NavigationDrawerItem,
+  NavigationDrawerItemProps,
+} from '@/ui/navigation/navigation-drawer/components/NavigationDrawerItem';
+import styled from '@emotion/styled';
+
+const StyledItem = styled.div`
+  margin-left: ${({ theme }) => theme.spacing(4)};
+`;
+
+type NavigationDrawerSubItemProps = NavigationDrawerItemProps;
+
+export const NavigationDrawerSubItem = ({
+  className,
+  label,
+  level = 1,
+  Icon,
+  to,
+  onClick,
+  active,
+  danger,
+  soon,
+  count,
+  keyboard,
+}: NavigationDrawerSubItemProps) => {
+  return (
+    <StyledItem>
+      <NavigationDrawerItem
+        className={className}
+        label={label}
+        level={level}
+        Icon={Icon}
+        to={to}
+        onClick={onClick}
+        active={active}
+        danger={danger}
+        soon={soon}
+        count={count}
+        keyboard={keyboard}
+      />
+    </StyledItem>
+  );
+};