Make sure touch-gamepad components can't be focused by accident

Common/UI/Root.cpp

@@ -165,6 +165,8 @@ static void MoveFocus(ViewGroup *root, FocusDirection direction) {
 		neigh.view->SetFocus();
 		root->SubviewFocused(neigh.view);
 
+		// INFO_LOG(Log::UI, "Focus moved from %s to %s", focusedView->DescribeText().c_str(), neigh.view->DescribeText().c_str());
+
 		PlayUISound(UISound::SELECT);
 	}
 }

UI/GamepadEmu.h

@@ -46,6 +46,7 @@ public:
 	virtual bool IsDownByTouch() const {
 		return false;
 	}
+	bool CanBeFocused() const override { return false; }
 
 protected:
 	std::string key_;