Migrate standard objects (#2439)

* Migrate standard objects

* Add migrations

* fix relation

* fix: register RelationMetadataType enum

* fix: correctly fix null relation

---------

Co-authored-by: corentin <corentin@twenty.com>
Co-authored-by: Jérémy Magrin <jeremy.magrin@gmail.com>

server/src/metadata/tenant-migration/migrations/1697618023-addPipelineStepTable.ts

@@ -0,0 +1,13 @@
+import { TenantMigrationTableAction } from 'src/metadata/tenant-migration/tenant-migration.entity';
+
+export const addPipelineStepTable: TenantMigrationTableAction[] = [
+  {
+    name: 'pipelineStep',
+    action: 'create',
+  },
+  {
+    name: 'pipelineStep',
+    action: 'alter',
+    columns: [],
+  },
+];