ui: fix about and licenses screen

esc now works for the about and license window

src/lib_gui/qt/window/QtAbout.cpp

@@ -13,7 +13,6 @@
 QtAbout::QtAbout(QWidget *parent)
 	: QtSettingsWindow(parent)
 {
-	raise();
 }
 
 QSize QtAbout::sizeHint() const

src/lib_gui/qt/window/QtApplicationSettingsScreen.cpp

@@ -14,7 +14,6 @@ QtApplicationSettingsScreen::QtApplicationSettingsScreen(QWidget *parent)
 	: QtSettingsWindow(parent)
 	, m_frameworkPaths(nullptr)
 {
-	raise();
 }
 
 QSize QtApplicationSettingsScreen::sizeHint() const

src/lib_gui/qt/window/QtMainWindow.cpp

@@ -321,6 +321,7 @@ void QtMainWindow::about()
 		m_aboutWindow->setup();
 
 		connect(m_aboutWindow.get(), SIGNAL(finished()), this, SLOT(popWindow()));
+		connect(m_aboutWindow.get(), SIGNAL(canceled()), this, SLOT(popWindow()));
 	}
 
 	pushWindow(m_aboutWindow.get());
@@ -349,6 +350,7 @@ void QtMainWindow::showLicenses()
 		m_licenseWindow->setup();
 
 		connect(m_licenseWindow.get(), SIGNAL(finished()), this, SLOT(popWindow()));
+		connect(m_licenseWindow.get(), SIGNAL(canceled()), this, SLOT(popWindow()));
 	}
 
 	pushWindow(m_licenseWindow.get());

src/lib_gui/qt/window/QtProjectSetupScreen.cpp

@@ -62,7 +62,6 @@ QtProjectSetupScreen::QtProjectSetupScreen(QWidget *parent)
 	: QtSettingsWindow(parent)
 	, m_frameworkPaths(nullptr)
 {
-	raise();
 }
 
 QSize QtProjectSetupScreen::sizeHint() const