Scroll position isn't remembered when going "back" in history

[MaximilianKresse]

Describe the bug

Currently the scroll position is only be remembered when navigating "normally" through the page. There is an explicit return to prevent saving the state when using the history back button:
https://github.com/antfu/vue-router-better-scroller/blob/main/src/index.ts#L23

Why is that so?

The problem is that when using the history forward button afterwards the scroll position cannot be restored.

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