Page preview should not scroll to top in Workbench when HMR reloads page
>>> [!note] Migrated issue
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<!-- Migrated from issue #3583897. -->
Reported by: [lauriii](https://www.drupal.org/user/1078742)
Related to !895 !890
>>>
<h3 id="overview">Overview</h3>
<p>When HMR triggers a page reload in the Canvas Workbench, the page preview iframe resets its scroll position to the top instead of maintaining the user's current scroll position.</p>
<p><strong>Steps to reproduce:</strong></p>
<ol>
<li>Open a page in the Canvas Workbench</li>
<li>Scroll down in the page preview</li>
<li>Make a component change that triggers an HMR reload</li>
</ol>
<h3 id="proposed-resolution">Proposed resolution</h3>
<h3 id="ui-changes">User interface changes</h3>
issue