Why the variables nume, inaltime, greutate from SharedViewModelClass doesn't retain the values I pass throught the InputText? SharedViewModelClass: class SharedViewModel : ViewModel() { private var _nume= MutableLiveData("") val nume : LiveData = _nume private var _gen= MutableLiveData("") val gen : LiveData = _gen private var _inaltime= MutableLiveData(0.0) val inaltime : LiveData = _inaltime private var _greutate= MutableLiveData(0.0) val greutate : LiveData = _greutate private var _activitate= MutableLiveData("") val activitate : LiveData = _activitate private...