Improve error handling for unexpected errors
>>> [!note] Migrated issue <!-- Drupal.org comment --> <!-- Migrated from issue #3560525. --> Reported by: [justafish](https://www.drupal.org/user/161058) Related to !112 >>> <h3 id="summary-problem-motivation">Problem/Motivation</h3> <p>When there&rsquo;s an unexpected error, the app crashes and doesn&rsquo;t display anything. To be able to continue using the extension, it needs to be reopened. We should handle this scenario more gracefully.</p>
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