ui: added universal font size setting and shortcuts for changing it

This change adds font size and font family to the ApplicationSettings to have a single point for manipulating them. The
font size can also be changed via the menu or the zoomIn and zoomOut shortcuts on all platforms.

src/lib/component/controller/CodeController.cpp

@@ -25,7 +25,7 @@ const uint CodeController::s_lineRadius = 2;
 
 void CodeController::handleMessage(MessageActivateTokens* message)
 {
-	if (message->isIgnorable())
+	if (message->isEdge && message->isIgnorable())
 	{
 		return;
 	}