Refactor controllers to return UUID of added entities

src/unit/services/unit.service.ts

@@ -35,11 +35,12 @@ export class UnitService {
         },
       });
 
-      await this.spaceRepository.save({
+      const unit = await this.spaceRepository.save({
         spaceName: addUnitDto.unitName,
         parent: { uuid: addUnitDto.floorUuid },
         spaceType: { uuid: spaceType.uuid },
       });
+      return unit;
     } catch (err) {
       throw new HttpException(err.message, HttpStatus.INTERNAL_SERVER_ERROR);
     }