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-record/select/utils/getObjectFilterFields.ts

@@ -1,8 +1,4 @@
 export const getObjectFilterFields = (objectSingleName: string) => {
-  if (objectSingleName === 'company') {
-    return ['name'];
-  }
-
   if (['workspaceMember', 'person'].includes(objectSingleName)) {
     return ['name.firstName', 'name.lastName'];
   }