fix: record group issues (#8854)

This PR is fixing the following issues with record groups:

- [x] [Backend] - Only update view groups when a field is edited if this
one already has view groups
- [x] [Backend] - Editing a Select field metadata option brake view
groups
- [x] [Frontend] - Changing the group by field from one to another brake
record group and doesn't remove the previous ones
- [x] [Frontend & Backend] - Mark `kanbanFieldMetadataId` as deprecated
in favour of `viewGroups.fieldMetadataId`

Also the following has been checked:

- [x] Properly displayed a table with only one view groups
- [x] Properly displayed a table without view groups

packages/twenty-server/src/modules/view/standard-objects/view.workspace-entity.ts

@@ -87,6 +87,9 @@ export class ViewWorkspaceEntity extends BaseWorkspaceEntity {
     label: 'kanbanfieldMetadataId',
     description: 'View Kanban column field',
   })
+  /**
+   * @deprecated Use `viewGroups.fieldMetadataId` instead
+   */
   kanbanFieldMetadataId: string;
 
   @WorkspaceField({