Set m_selected_wallet to empty before unloading

Author: johnny9

qml/walletqmlcontroller.cpp

@@ -16,7 +16,8 @@
 WalletQmlController::WalletQmlController(interfaces::Node& node, QObject *parent)
     : QObject(parent)
     , m_node(node)
-    , m_selected_wallet(new WalletQmlModel(parent))
+    , m_empty_wallet(new WalletQmlModel(this))
+    , m_selected_wallet(m_empty_wallet)
     , m_worker(new QObject)
     , m_worker_thread(new QThread(this))
 {
@@ -63,6 +64,7 @@ WalletQmlModel* WalletQmlController::selectedWallet() const
 void WalletQmlController::unloadWallets()
 {
     m_handler_load_wallet->disconnect();
+    m_selected_wallet = m_empty_wallet;
     QMutexLocker locker(&m_wallets_mutex);
     for (WalletQmlModel* wallet : m_wallets) {
         delete wallet;

qml/walletqmlcontroller.h

@@ -54,6 +54,7 @@ public Q_SLOTS:
 
     bool m_initialized{false};
     interfaces::Node& m_node;
+    WalletQmlModel* m_empty_wallet;
     WalletQmlModel* m_selected_wallet;
     QObject* m_worker;
     QThread* m_worker_thread;