logic: Show overview instead of empty error screen after all indexing errors were fixed

src/lib/app/Application.cpp

@@ -219,7 +219,7 @@ void Application::handleMessage(MessageIndexingFinished* message)
 
 	if (m_hasGUI)
 	{
-		MessageRefreshUI().dispatch();
+		MessageRefreshUI().afterIndexing().dispatch();
 	}
 	else
 	{

src/lib/component/controller/UndoRedoController.cpp

@@ -364,7 +364,16 @@ void UndoRedoController::handleMessage(MessageIndexingFinished* message)
 
 void UndoRedoController::handleMessage(MessageRefreshUI* message)
 {
-	if (m_iterator == m_list.begin())
+	std::list<Command>::iterator startIterator = m_iterator;
+	do
+	{
+		std::advance(startIterator, -1);
+	}
+	while (startIterator != m_list.begin() && startIterator->order != Command::ORDER_ACTIVATE);
+
+	if (startIterator == m_list.begin() ||
+		(message->isAfterIndexing && dynamic_cast<MessageActivateErrors*>(startIterator->message.get()) &&
+			m_storageAccess->getErrorCount().total == 0))
 	{
 		MessageActivateAll msg;
 		msg.setSchedulerId(getSchedulerId());

src/lib/utility/messaging/type/MessageRefreshUI.h

@@ -14,6 +14,7 @@ public:
 
 	MessageRefreshUI()
 		: loadStyle(true)
+		, isAfterIndexing(false)
 	{
 	}
 
@@ -23,6 +24,12 @@ public:
 		return *this;
 	}
 
+	MessageRefreshUI& afterIndexing()
+	{
+		isAfterIndexing = true;
+		return *this;
+	}
+
 	void print(std::wostream& os) const override
 	{
 		if (loadStyle)
@@ -32,6 +39,7 @@ public:
 	}
 
 	bool loadStyle;
+	bool isAfterIndexing;
 };
 
 #endif // MESSAGE_REFRESH_UI_H