Playground hash should be updated before reload

[Rich-Harris]

At the moment if you make changes and reload the page without defocusing the editor, you'll lose work

Another option would be to just always update the hash, though IIRC there was some history-related reason we were avoiding that

[dummdidumm]

Yes, we can't go back to that, it makes your browser history completely unusable. Doesn't matter that we use replaceState.

[Rich-Harris]

Still not sure I understand what you mean by that — it works just fine on https://svelte-5-preview.vercel.app/

[dummdidumm]

What I mean is e.g. chrome://history/ for Chrome (on Firefox: burger menu -> history)