feat: add event rows to Show Page Calendar tab (#4319)

* feat: add event rows to Show Page Calendar tab

Closes #4287

* refactor: use time as events group key instead of ISO string for easier sorting

* feat: implement data model changes

* refactor: improve sorting

packages/twenty-front/src/modules/ui/layout/show-page/components/ShowPageRightContainer.tsx

@@ -1,6 +1,7 @@
 import styled from '@emotion/styled';
 import { useRecoilValue } from 'recoil';
 
+import { Calendar } from '@/activities/calendar/components/Calendar';
 import { EmailThreads } from '@/activities/emails/components/EmailThreads';
 import { Attachments } from '@/activities/files/components/Attachments';
 import { Notes } from '@/activities/notes/components/Notes';
@@ -136,6 +137,7 @@ export const ShowPageRightContainer = ({
         <Attachments targetableObject={targetableObject} />
       )}
       {activeTabId === 'emails' && <EmailThreads entity={targetableObject} />}
+      {activeTabId === 'calendar' && <Calendar />}
     </StyledShowPageRightContainer>
   );
 };