Kotlin - Modify nested Data (Add item to List in an Object in another List in an Object) My User object has a List, each Post has a List. Now I would like to add a Tag item to the List. User: data class User( val id: String, val name: String, val posts: List = listOf() ) Post: data class Post( val id: Int, val name: String val tags: List = listOf() ) Now I would like to update my MutableStateFlow containing the User object: private val _userStateFlow: MutableStateFlow = MutableStateFlow(User()) val userStateFlow: StateFlow = _userStateFlow To find the...