ENGCOM-7505: Fix icon advance attributes properties not change #28032

 - Merge Pull Request #28032 from mrtuvn/magento2:fix-26022-icon-advance-attributes-properties-not-change
 - Merged commits:
   1. d7cf188
   2. 77a4e8c
   3. 6b8fc4c
   4. facbe37
   5. 1ef8a51
   6. 6e81906
   7. 03a2908
   8. 8c0eff0
   9. 0e84ed4
   10. 63550be
   11. 321f5c1
   12. 13fe206
   13. aae2b7f
   14. 2c88396
   15. cfec001

Author: magento-engcom-team

app/code/Magento/ConfigurableProduct/view/adminhtml/web/template/variations/steps/summary-grid.html

@@ -5,14 +5,14 @@
  */
 -->
 
-<div class="admin__collapsible-block-wrapper opened">
-    <div class="fieldset-wrapper-title">
+<div class="fieldset-wrapper admin__collapsible-block-wrapper opened" data-bind="mageInit: {'collapsible':{'active':true,'openedState':'opened'}}">
+    <div class="fieldset-wrapper-title toggle" data-role="title">
         <strong class="admin__collapsible-title" data-toggle="collapse" data-bind="attr:{'data-target': '#'+id}">
             <span data-bind="text: title"></span>
         </strong>
     </div>
 
-    <div class="fieldset-wrapper-content in collapse" data-collapsed="true" data-bind="attr: {id: id}">
+    <div class="fieldset-wrapper-content in collapse" data-role="content" data-collapsed="true" data-bind="attr: {id: id}">
         <!-- ko template: {
             name: "ui/grid/paging/paging", data: paging
             } -->

app/design/adminhtml/Magento/backend/Magento_Backend/web/css/source/module/main/_collapsible-blocks.less

@@ -122,11 +122,6 @@
                 &:before {
                     content: @icon-expand-close__content;
                 }
-                &.active {
-                    &:before {
-                        content: @icon-expand-open__content;
-                    }
-                }
             }
         }