Split and open-in-new-window for every tab

The tab context menu offers to split or move out any tab, not only a terminal — and the new window inherits the running session rather than starting a fresh one.

Split and Open in new window were offered for terminal tabs and not for anything else, and moving a tab out started a fresh session rather than carrying the running one.

The tab context menu offers both for every tab, and the new window adopts the running session.

• The source catalogue records no separate caveats for this entry. The implementation and evidence above define its scope.