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/testing/graphqlMocks.ts

@@ -6,19 +6,20 @@ import { GET_CLIENT_CONFIG } from '@/client-config/graphql/queries/getClientConf
 import { FIND_MANY_OBJECT_METADATA_ITEMS } from '@/object-metadata/graphql/queries';
 import { GET_CURRENT_USER } from '@/users/graphql/queries/getCurrentUser';
 import { REACT_APP_SERVER_BASE_URL } from '~/config';
-import { mockedActivities } from '~/testing/mock-data/activities';
 import {
   getCompaniesMock,
   getCompanyDuplicateMock,
 } from '~/testing/mock-data/companies';
 import { mockedClientConfig } from '~/testing/mock-data/config';
 import { mockedObjectMetadataItemsQueryResult } from '~/testing/mock-data/metadata';
+import { mockedNotes } from '~/testing/mock-data/notes';
 import { getPeopleMock } from '~/testing/mock-data/people';
 import { mockedRemoteTables } from '~/testing/mock-data/remote-tables';
 import { mockedUserData } from '~/testing/mock-data/users';
 import { mockedViewsData } from '~/testing/mock-data/views';
 import { mockWorkspaceMembers } from '~/testing/mock-data/workspace-members';
 
+import { mockedTasks } from '~/testing/mock-data/tasks';
 import { mockedRemoteServers } from './mock-data/remote-servers';
 import { mockedViewFieldsData } from './mock-data/view-fields';
 
@@ -267,15 +268,41 @@ export const graphqlMocks = {
         },
       });
     }),
-    graphql.query('FindManyActivities', () => {
+    graphql.query('FindManyNotes', () => {
       return HttpResponse.json({
         data: {
           activities: {
-            edges: mockedActivities.map(({ activityTargets, ...rest }) => ({
+            edges: mockedNotes.map(({ noteTargets, ...rest }) => ({
               node: {
                 ...rest,
-                activityTargets: {
-                  edges: activityTargets.map((t) => ({ node: t })),
+                noteTargets: {
+                  edges: noteTargets?.map((t) => ({ node: t })),
+                },
+                attachments: {
+                  edges: [],
+                },
+              },
+              cursor: null,
+            })),
+            pageInfo: {
+              hasNextPage: false,
+              hasPreviousPage: false,
+              startCursor: null,
+              endCursor: null,
+            },
+          },
+        },
+      });
+    }),
+    graphql.query('FindManyTasks', () => {
+      return HttpResponse.json({
+        data: {
+          activities: {
+            edges: mockedTasks.map(({ taskTargets, ...rest }) => ({
+              node: {
+                ...rest,
+                taskTargets: {
+                  edges: taskTargets?.map((t) => ({ node: t })),
                 },
                 attachments: {
                   edges: [],