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/object-metadata/utils/getLinkToShowPage.ts

@@ -4,7 +4,7 @@ import { ObjectRecord } from '@/object-record/types/ObjectRecord';
 
 export const getLinkToShowPage = (
   objectNameSingular: string,
-  record: Pick<ObjectRecord, 'id'>,
+  record: Partial<ObjectRecord>,
 ) => {
   const basePathToShowPage = getBasePathToShowPage({
     objectNameSingular,
@@ -13,6 +13,22 @@ export const getLinkToShowPage = (
   const isWorkspaceMemberObjectMetadata =
     objectNameSingular === CoreObjectNameSingular.WorkspaceMember;
 
+  if (objectNameSingular === CoreObjectNameSingular.NoteTarget) {
+    return (
+      getBasePathToShowPage({
+        objectNameSingular: CoreObjectNameSingular.Note,
+      }) + record.note?.id
+    );
+  }
+
+  if (objectNameSingular === CoreObjectNameSingular.TaskTarget) {
+    return (
+      getBasePathToShowPage({
+        objectNameSingular: CoreObjectNameSingular.Task,
+      }) + record.task?.id
+    );
+  }
+
   const linkToShowPage =
     isWorkspaceMemberObjectMetadata || !record.id
       ? ''