Debugger: Delay restoration until Devices are restored

Change-Id: Ib3f63e84959518cd629cb98e3e348aea50979927
Reviewed-by: hjk <hjk@qt.io>

src/plugins/debugger/debuggeritemmanager.cpp

@@ -37,6 +37,7 @@
 #include <QObject>
 #include <QPointer>
 #include <QPushButton>
+#include <QTimer>
 #include <QTreeView>
 #include <QWidget>
 
@@ -62,6 +63,8 @@ public:
     DebuggerItemManagerPrivate();
     ~DebuggerItemManagerPrivate();
 
+    void extensionsInitialized();
+
     void restoreDebuggers();
     void saveDebuggers();
 
@@ -815,6 +818,10 @@ DebuggerItemManagerPrivate::DebuggerItemManagerPrivate()
     m_model = new DebuggerItemModel;
     m_optionsPage = new DebuggerOptionsPage;
     ExtensionSystem::PluginManager::addObject(m_optionsPage);
+}
+
+void DebuggerItemManagerPrivate::extensionsInitialized()
+{
     restoreDebuggers();
 }
 
@@ -954,6 +961,11 @@ DebuggerItemManager::~DebuggerItemManager()
     delete d;
 }
 
+void DebuggerItemManager::extensionsInitialized()
+{
+    d->extensionsInitialized();
+}
+
 const QList<DebuggerItem> DebuggerItemManager::debuggers()
 {
     QList<DebuggerItem> result;