When exporting a kanban we should export the kanban's main field (#6444)

This PR was created by [GitStart](https://gitstart.com/) to address the
requirements from this ticket:
[TWNTY-6046](https://clients.gitstart.com/twenty/5449/tickets/TWNTY-6046).
This ticket was imported from:
[TWNTY-6046](https://github.com/twentyhq/twenty/issues/6046)

 --- 

### Description

- We are getting the `kanbanFieldMetadataNameState` , get the column
data, and if there is data and the use is on the Kanban view we add the
data to the result

### Refs

#6046

### Demo

<https://jam.dev/c/96f16211-40e4-4b49-a6f5-88f0692fb47a>

Fixes #6046

---------

Co-authored-by: gitstart-twenty <gitstart-twenty@users.noreply.github.com>
Co-authored-by: gitstart-twenty <140154534+gitstart-twenty@users.noreply.github.com>
Co-authored-by: Félix Malfait <felix.malfait@gmail.com>

packages/twenty-server/src/engine/twenty-orm/repository/workspace.repository.ts

@@ -18,9 +18,9 @@ import {
   SaveOptions,
   UpdateResult,
 } from 'typeorm';
-import { PickKeysByType } from 'typeorm/common/PickKeysByType';
 import { QueryDeepPartialEntity } from 'typeorm/query-builder/QueryPartialEntity';
 import { UpsertOptions } from 'typeorm/repository/UpsertOptions';
+import { PickKeysByType } from 'typeorm/common/PickKeysByType';
 
 import { WorkspaceInternalContext } from 'src/engine/twenty-orm/interfaces/workspace-internal-context.interface';