Standard migration command (#2236)

* Add Standard Object migration commands

* rebase

* add sync-tenant-metadata command

* fix naming

* renaming command class names

* remove field deletion and use object cascade instead

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Co-authored-by: Charles Bochet <charlesBochet@users.noreply.github.com>

server/src/metadata/data-source/data-source.service.ts

@@ -132,5 +132,10 @@ export class DataSourceService implements OnModuleInit, OnModuleDestroy {
   async onModuleDestroy() {
     // Destroy main data source "default" schema
     await this.mainDataSource.destroy();
+
+    // Destroy all workspace data sources
+    for (const [, dataSource] of this.dataSources) {
+      await dataSource.destroy();
+    }
   }
 }