Simplify school entity mapping

apps/server/src/modules/school/repo/mikro-orm/mapper/school.entity.mapper.ts

@@ -16,21 +16,13 @@ export class SchoolEntityMapper {
 		const systems = entity.systems?.getItems().map((system) => SystemEntityMapper.mapToDo(system));
 
 		const school = new School({
+			...entity,
+			// id needs to be mapped explicitly because it exists only virtually in the entity
 			id: entity.id,
-			name: entity.name,
-			officialSchoolNumber: entity.officialSchoolNumber,
-			externalId: entity.externalId,
-			previousExternalId: entity.previousExternalId,
-			inMaintenanceSince: entity.inMaintenanceSince,
-			inUserMigration: entity.inUserMigration,
 			currentYear,
 			federalState,
-			county: entity.county,
-			purpose: entity.purpose,
 			features,
 			systems,
-			logo_dataUrl: entity.logo_dataUrl,
-			fileStorageType: entity.fileStorageType,
 		});
 
 		return school;