[GTK] Prevent "no more handles" in Tree/Table on Gtk 4

Owner draw with check button creates custom GtkCellRendererToggle but
it's final on Gtk 4.

Author: akurtakov

bundles/org.eclipse.swt/Eclipse SWT/gtk/org/eclipse/swt/widgets/Table.java

@@ -2552,7 +2552,11 @@ void recreateRenderers () {
 	if (checkRenderer != 0) {
 		display.removeWidget (checkRenderer);
 		OS.g_object_unref (checkRenderer);
-		checkRenderer = ownerDraw ? OS.g_object_new (display.gtk_cell_renderer_toggle_get_type(), 0) : GTK.gtk_cell_renderer_toggle_new ();
+		if (GTK.GTK4) {
+			checkRenderer = GTK.gtk_cell_renderer_toggle_new ();
+		} else {
+			checkRenderer = ownerDraw ? OS.g_object_new (display.gtk_cell_renderer_toggle_get_type(), 0) : GTK.gtk_cell_renderer_toggle_new ();
+		}
 		if (checkRenderer == 0) error (SWT.ERROR_NO_HANDLES);
 		OS.g_object_ref (checkRenderer);
 		display.addWidget (checkRenderer, this);

bundles/org.eclipse.swt/Eclipse SWT/gtk/org/eclipse/swt/widgets/Tree.java

@@ -2823,7 +2823,11 @@ void recreateRenderers () {
 	if (checkRenderer != 0) {
 		display.removeWidget (checkRenderer);
 		OS.g_object_unref (checkRenderer);
-		checkRenderer = isOwnerDrawn ? OS.g_object_new (display.gtk_cell_renderer_toggle_get_type(), 0) : GTK.gtk_cell_renderer_toggle_new ();
+		if (GTK.GTK4) {
+			checkRenderer = GTK.gtk_cell_renderer_toggle_new ();
+		} else {
+			checkRenderer = isOwnerDrawn ? OS.g_object_new (display.gtk_cell_renderer_toggle_get_type(), 0) : GTK.gtk_cell_renderer_toggle_new ();
+		}
 		if (checkRenderer == 0) error (SWT.ERROR_NO_HANDLES);
 		OS.g_object_ref (checkRenderer);
 		display.addWidget (checkRenderer, this);