[63466] Replace opce-collapsible-section-augment with Primer::CollapsibleSection#18642

oliverguenther merged 2 commits intodevopf/openproject:devfrom

code-maintenance/63466-replace-opce-collapsible-section-augment-with-primer-collapsiblesectionopf/openproject:code-maintenance/63466-replace-opce-collapsible-section-augment-with-primer-collapsiblesectionCopy head branch name to clipboard