Fixed #9913

Author: brandonkelly

CHANGELOG.md

@@ -32,6 +32,7 @@
 - Fixed a bug where sections’ Default Status settings weren’t being respected when adding a new site to an entry. ([#9896](https://github.com/craftcms/cms/issues/9896))
 - Fixed a bug where the `utils/repair/section-structure` command was removing provisional drafts from the structure. ([#9868](https://github.com/craftcms/cms/issues/9868))
 - Fixed a bug where the control panel header elements could become squished. ([#9902](https://github.com/craftcms/cms/issues/9902))
+- Fixed a bug where collapsed structure elements weren’t getting included in exports. ([#9913](https://github.com/craftcms/cms/issues/9913))
 
 ### Security
 - Generated front-end URLs now begin with the `@web` alias value if the current site doesn’t have a base URL.

src/web/assets/cp/dist/js/Craft.min.js

@@ -2011,6 +2011,7 @@ Craft.BaseElementIndex = Garnish.Base.extend({
             var params = this.getViewParams();
             delete params.criteria.offset;
             delete params.criteria.limit;
+            delete params.collapsedElementIds;
 
             params.type = $typeField.find('select').val();
             params.format = $formatField.find('select').val();