fix: delete structure

src/structures/services/structures.service.ts

@@ -226,6 +226,7 @@ export class StructuresService {
     if (!structure) {
       throw new HttpException('Invalid structure id', HttpStatus.BAD_REQUEST);
     }
+    structure.structureType = null;
     structure.deletedAt = DateTime.local().setZone('Europe/Paris').toString();
     this.anonymizeStructure(structure).save();
     return structure;