Add aria-describedby screen reader hint for external links in BlockNote#22694

akabiru wants to merge 2 commits intofeature/external-links-click-interception-blocknoteopf/openproject:feature/external-links-click-interception-blocknotefrom

code-maintenance/73721-add-aria-describedby-support-for-links-inside-prosemirror-blocknote-editorsopf/openproject:code-maintenance/73721-add-aria-describedby-support-for-links-inside-prosemirror-blocknote-editorsCopy head branch name to clipboard