[GUI] guarding dashboard txs list filter load from settings against u…

…nknown values.

Preventing any possible not expected `transactionType` value stored that doesn't map with any available filter.

src/qt/pivx/dashboardwidget.cpp

@@ -185,10 +185,10 @@ void DashboardWidget::loadWalletModel()
 
         // Read filter settings
         QSettings settings;
-        int filterByType = settings.value("transactionType", TransactionFilterProxy::ALL_TYPES).toInt();
-
-        filter->setTypeFilter(filterByType); // Set filter
+        quint32 filterByType = settings.value("transactionType", TransactionFilterProxy::ALL_TYPES).toInt();
         int filterIndex = ui->comboBoxSortType->findData(filterByType); // Find index
+        filterByType = (filterIndex == -1) ? TransactionFilterProxy::ALL_TYPES : filterByType;
+        filter->setTypeFilter(filterByType); // Set filter
         ui->comboBoxSortType->setCurrentIndex(filterIndex); // Set item in ComboBox
 
         // Read sort settings