ui: Indexing UI

* Added DialogView with QtDialogView implementation to handle information dialogs
* Implemented QtIndexingDialog class that covers all different dialogs for indexing
* Directly communicate with DialogView from Prpject and all Tasks involved in indexing
* Block QtMainWindow UI while indexing

src/lib_gui/qt/window/project_wizzard/QtProjectWizzardWindow.cpp

@@ -72,12 +72,6 @@ void QtProjectWizzardWindow::windowReady()
 
 void QtProjectWizzardWindow::handleNext()
 {
-	if (isPopup())
-	{
-		hide();
-		emit next();
-	}
-
 	m_content->save();
 
 	if (m_content->check())