js: fix errors on browsers not supporting window.scroll options

IE and Safari only know about `window.scroll(x, y)`, and not the form
with options.

app/views/users/feedbacks/create.js.erb

@@ -1,3 +1,7 @@
+try {
   window.scroll({ top: 0, left: 0, behavior: 'smooth' });
+} catch {
+  window.scroll(0, 0);
+}
 <%= remove_element('#user-satisfaction') %>
 <%= render_flash %>