Add menu separator to switch param tooltip. Fix bug when ParamWidget tooltip is not appearing when Light is placed above it.

src/app/ModuleLightWidget.cpp

@@ -70,8 +70,6 @@ void ModuleLightWidget::createTooltip() {
 		return;
 	if (this->tooltip)
 		return;
-	if (!module)
-		return;
 	// If the LightInfo is null, don't show a tooltip
 	if (!getLightInfo())
 		return;
@@ -123,6 +121,11 @@ void ModuleLightWidget::step() {
 void ModuleLightWidget::onHover(const HoverEvent& e) {
 	// Adapted from OpaqueWidget::onHover()
 	Widget::onHover(e);
+
+	// If the LightInfo is null, don't consume Hover event
+	if (!getLightInfo())
+		return;
+
 	e.stopPropagating();
 	// Consume if not consumed by child
 	if (!e.isConsumed())

src/app/ParamWidget.cpp

@@ -1,5 +1,6 @@
 #include <app/ParamWidget.hpp>
 #include <ui/MenuOverlay.hpp>
+#include <ui/MenuSeparator.hpp>
 #include <ui/TextField.hpp>
 #include <app/Scene.hpp>
 #include <context.hpp>
@@ -249,7 +250,8 @@ void ParamWidget::createContextMenu() {
 
 	if (switchQuantity) {
 		int index = (int) std::floor(pq->getValue());
-		for (int i = 0; i < (int) switchQuantity->labels.size(); i++) {
+		int numStates = switchQuantity->labels.size();
+		for (int i = 0; i < numStates; i++) {
 			std::string label = switchQuantity->labels[i];
 			ParamValueItem* paramValueItem = new ParamValueItem;
 			paramValueItem->text = label;
@@ -258,6 +260,9 @@ void ParamWidget::createContextMenu() {
 			paramValueItem->value = i;
 			menu->addChild(paramValueItem);
 		}
+		if (numStates > 0) {
+			menu->addChild(new ui::MenuSeparator);
+		}
 	}
 	else {
 		ParamField* paramField = new ParamField;