fix(preferences): remove unused variable
fix(notifications): make comment links works

change the way of handling fetching an item

SD-767
fix(notifications): fix notification and comment list

add scrollbar to notification list
fix comment item width

SD-791
fix(ingest): rename 'archive' to fetch

SD-724
fix(archive): display activity list on preview pane

display activity list on content and task preview

SD-751
fix(archive): fix fetch action