SDA-3958: Fix crash app on close

src/app/window-handler.ts

@@ -1360,7 +1360,7 @@ export class WindowHandler {
         );
       }
     });
-    this.snippingToolWindow.once('closed', () => {
+    this.snippingToolWindow.once('close', () => {
       logger.info(
         'window-handler, createSnippingToolWindow: Closing snipping window, attempting to delete temp snip image',
       );