Don't lazy-load storage-change-detection

Lazy loading combined with display:none results in it never actually getting loaded

Author: Nemo157

templates/rustdoc/body.html

@@ -1,4 +1,4 @@
 <script async src="/-/static/menu.js?{{ docsrs_version() | slugify }}"></script>
 <script async src="/-/static/index.js?{{ docsrs_version() | slugify }}"></script>
 {# see comment in ../storage-change-detection.html for details #}
-<iframe loading="lazy" src="/-/storage-change-detection.html" width="0" height="0" style="display: none"></iframe>
+<iframe src="/-/storage-change-detection.html" width="0" height="0" style="display: none"></iframe>