Round TipWindow to nearest integer pixel position. Don't consume key presses in MenuOverlay.

src/app/TipWindow.cpp

@@ -161,7 +161,7 @@ struct TipWindow : widget::OpaqueWidget {
 	}
 
 	void step() override {
-		box.pos = parent->box.size.minus(box.size).div(2);
+		box.pos = parent->box.size.minus(box.size).div(2).round();
 		OpaqueWidget::step();
 	}
 

src/ui/MenuOverlay.cpp

@@ -39,10 +39,8 @@ void MenuOverlay::onHoverKey(const event::HoverKey& e) {
 
 	if (e.action == GLFW_PRESS && e.key == GLFW_KEY_ESCAPE) {
 		requestDelete();
+		e.consume(this);
 	}
-
-	// Consume all key presses
-	e.consume(this);
 }