Add fix schema array type command (#12887)

Following this fix https://github.com/twentyhq/twenty/pull/12874 we now
need to add a command to retroactively fix existing columns

---------

Co-authored-by: Paul Rastoin <45004772+prastoin@users.noreply.github.com>
Co-authored-by: prastoin <paul@twenty.com>

packages/twenty-server/src/engine/workspace-manager/workspace-health/workspace-health.module.ts

@@ -32,6 +32,6 @@ import { WorkspaceFixService } from './services/workspace-fix.service';
     FieldMetadataHealthService,
     WorkspaceFixService,
   ],
-  exports: [WorkspaceHealthService],
+  exports: [WorkspaceHealthService, DatabaseStructureService],
 })
 export class WorkspaceHealthModule {}