fix(server): skip stacked assets in duplicate detection (#16380)

* skip stacked assets in duplicate detection

* update sql

* handle stacking after duplicate detection runs

server/src/migrations/1740654480319-UnsetStackedAssetsFromDuplicateStatus.ts

@@ -0,0 +1,14 @@
+import { MigrationInterface, QueryRunner } from 'typeorm';
+
+export class UnsetStackedAssetsFromDuplicateStatus1740654480319 implements MigrationInterface {
+  public async up(queryRunner: QueryRunner): Promise<void> {
+    await queryRunner.query(`
+            update assets
+            set "duplicateId" = null
+            where "stackId" is not null`);
+  }
+
+  public async down(): Promise<void> {
+    // No need to revert this migration
+  }
+}