(core) Fix comments nbrowser tests on mac

Summary: Comments do save on ctrl+enter but test implementation was resolving to command+enter.

Test Plan: Should not break anything.

Reviewers: jarek

Reviewed By: jarek

Subscribers: paulfitz, jarek

Differential Revision: https://phab.getgrist.com/D3752

app/client/widgets/DiscussionEditor.ts

@@ -625,7 +625,7 @@ class CommentEntry extends Disposable {
         dom.onKeyDown({
           Enter$: async (e) => {
             // Save on ctrl+enter
-            if (e.ctrlKey && text.get().trim()) {
+            if ((e.ctrlKey || e.metaKey) && text.get().trim()) {
               await onSave?.();
               e.preventDefault();
               e.stopPropagation();