Preserve sidebar state for blogmarks.

specs/script.allium

@@ -376,6 +376,9 @@ rule ExecuteTransform {
         -- opens that draft in the post editor immediately. Post-created side
         -- effects that may take longer, including lazy model loading and semantic
         -- indexing, continue without delaying or replacing the opened editor.
+        -- Opening or completing the import does not change the sidebar's active
+        -- view or visibility; those remain in the current or restored project UI
+        -- session.
 
     @guarantee TransformTrigger
         -- Transform scripts are triggered automatically by blogmark import.