<p dir="auto">Map XML download currently has a few issues, such as a button staying in disabled state after a download, or error messages that are shown on a blank page.</p>
<p dir="auto">Applying the same concepts as in <a class="issue-link js-issue-link" data-error-text="Failed to load title" data-id="3226744730" data-permission-text="Title is private" data-url="https://github.com/openstreetmap/openstreetmap-website/issues/6192" data-hovercard-type="pull_request" data-hovercard-url="/openstreetmap/openstreetmap-website/pull/6192/hovercard" href="https://github.com/openstreetmap/openstreetmap-website/pull/6192">#6192</a>, this PR aims at making the download a bit more robust and user friendly.</p>
<p dir="auto">We have a bit of code duplication here, and it would probably make sense to move downloadBlob, handleExportError and  turbo:submit-end handler to a common file. Any ideas?</p>

<hr>

<h4>You can view, comment on, or merge this pull request online at:</h4>
<p>  <a href='https://github.com/openstreetmap/openstreetmap-website/pull/6255'>https://github.com/openstreetmap/openstreetmap-website/pull/6255</a></p>

<h4>Commit Summary</h4>
<ul>
  <li><a href="https://github.com/openstreetmap/openstreetmap-website/pull/6255/commits/8f3092140de05c80b9ccb5415d87844dc682f5a1" class="commit-link">8f30921</a>  Fix map xml download</li>
</ul>

<h4 style="display: inline-block">File Changes </h4> <p style="display: inline-block">(<a href="https://github.com/openstreetmap/openstreetmap-website/pull/6255/files">3 files</a>)</p>
<ul>
  <li>
    <strong>M</strong>
    <a href="https://github.com/openstreetmap/openstreetmap-website/pull/6255/files#diff-32bd60500bca8422d3edba93ac86b6d6a12190fdee53ce75372dc501efcba010">app/assets/javascripts/index/export.js</a>
    (50)
  </li>
  <li>
    <strong>M</strong>
    <a href="https://github.com/openstreetmap/openstreetmap-website/pull/6255/files#diff-db1600b3df800c073c8d2ff04b1f5042902abcb20b0a55729ddeca8d23012ea5">app/views/site/export.html.erb</a>
    (4)
  </li>
  <li>
    <strong>M</strong>
    <a href="https://github.com/openstreetmap/openstreetmap-website/pull/6255/files#diff-44438ce218f5287c58d0017f965d888715635d94280669896f75841fbd7b4cd7">config/locales/en.yml</a>
    (1)
  </li>
</ul>

<h4>Patch Links:</h4>
<ul>
  <li><a href='https://github.com/openstreetmap/openstreetmap-website/pull/6255.patch'>https://github.com/openstreetmap/openstreetmap-website/pull/6255.patch</a></li>
  <li><a href='https://github.com/openstreetmap/openstreetmap-website/pull/6255.diff'>https://github.com/openstreetmap/openstreetmap-website/pull/6255.diff</a></li>
</ul>

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