How to reproduce with Chrome :
- Go to tab "Users, groups and rights"
- clic on button "Right profiles"
- Let this panel opened
- then, select a page on the sitemap panel
- go to tab "page"
- clic on menu "Restrict access"
- let this panel opened
- then, try to add a page in the sitemap
-> 3 behavior possible :
- in the popup the content of the "Right profiles" panel appears
- or the button "add a page" does not work
- or the content on the popup appears in the "Right profiles" panel
See screenshot for more precisions
Card panel for "right profiles" tool and "new page" dialog have the same id 'card-0'