UI: Refresh edit menu on item select/deselect

UI/source-tree.cpp

@@ -623,12 +623,14 @@ void SourceTreeItem::Select()
 {
 	tree->SelectItem(sceneitem, true);
 	OBSBasic::Get()->UpdateContextBarDeferred();
+	OBSBasic::Get()->UpdateEditMenu();
 }
 
 void SourceTreeItem::Deselect()
 {
 	tree->SelectItem(sceneitem, false);
 	OBSBasic::Get()->UpdateContextBarDeferred();
+	OBSBasic::Get()->UpdateEditMenu();
 }
 
 /* ========================================================================= */

UI/window-basic-main.cpp

@@ -1842,6 +1842,7 @@ void OBSBasic::OBSInit()
 	ui->contextContainer->setVisible(contextVisible);
 	if (contextVisible)
 		UpdateContextBar(true);
+	UpdateEditMenu();
 
 	{
 		ProfileScope("OBSBasic::Load");
@@ -5369,8 +5370,6 @@ ColorSelect::ColorSelect(QWidget *parent)
 
 void OBSBasic::CreateSourcePopupMenu(int idx, bool preview)
 {
-	UpdateEditMenu();
-
 	QMenu popup(this);
 	delete previewProjectorSource;
 	delete sourceProjector;
@@ -7825,11 +7824,6 @@ void OBSBasic::UpdateEditMenu()
 	ui->actionHorizontalCenter->setEnabled(canTransform);
 }
 
-void OBSBasic::on_menuBasic_MainMenu_Edit_aboutToShow()
-{
-	UpdateEditMenu();
-}
-
 void OBSBasic::on_actionEditTransform_triggered()
 {
 	if (transformWindow)

UI/window-basic-main.hpp

@@ -966,8 +966,6 @@ private slots:
 	void on_actionShowCrashLogs_triggered();
 	void on_actionUploadLastCrashLog_triggered();
 
-	void on_menuBasic_MainMenu_Edit_aboutToShow();
-
 	void on_actionEditTransform_triggered();
 	void on_actionCopyTransform_triggered();
 	void on_actionPasteTransform_triggered();