Remove unnecessary 'my-classname' from MDXEditor app
>>> [!note] Migrated issue <!-- Drupal.org comment --> <!-- Migrated from issue #3582170. --> Reported by: [bbruno](https://www.drupal.org/user/3691195) Related to !1372 >>> <p>[Tracker]<br> <strong>Update Summary: </strong>[One-line status update for stakeholders]<br> <strong>Short Description: </strong>[One-line issue summary for stakeholders]<br> <strong>Check-in Date: </strong>MM/DD/YYYY<br> <em>Metadata is used by the <a href="https://www.drupalstarforge.ai/" title="AI Tracker">AI Tracker.</a> Docs and additional fields <a href="https://www.drupalstarforge.ai/ai-dashboard/docs" title="AI Issue Tracker Documentation">here</a>.</em><br> [/Tracker]</p> <h3 id="summary-problem-motivation">Problem/Motivation</h3> <p>While checking <a href="https://www.drupal.org/project/document_loader/issues/3580850">https://www.drupal.org/project/document_loader/issues/3580850</a>, I noticed that the MDXEditor's <strong>Editor.jsx (line 119)</strong> contains a leftover `my-classname` from when the app was initially implemented.</p> <p>MDXEditor already provides toolbar specific classes, and this custom class is not necessary. It should be removed, also to prevent any usage of it.</p> <h4 id="summary-steps-reproduce">Steps to reproduce (required for bugs, but not feature requests)</h4> <p>Check <em>Editor.jsx</em> of MDXEditor or inspect the Editors toolbar on a textarea using the App. You will see the class is present, along with other more sensible class (`.mdxeditor-toolbar`) that should be used instead.</p> <h3 id="summary-proposed-resolution">Proposed resolution</h3> <p>Remove custom class</p>
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