fix: user id and totpVerified can't be changed by user

backend/src/user/dto/updateOwnUser.dto.ts

@@ -1,6 +1,6 @@
-import { OmitType, PartialType } from "@nestjs/swagger";
+import { PartialType, PickType } from "@nestjs/swagger";
 import { UserDTO } from "./user.dto";
 
 export class UpdateOwnUserDTO extends PartialType(
-  OmitType(UserDTO, ["isAdmin", "password"] as const),
+  PickType(UserDTO, ["username", "email"] as const)
 ) {}