Keep workspace presentation in numeric order

crates/ferese-core/src/lib.rs

@@ -6,5 +6,5 @@ mod workspace;
 pub use output::{OutputError, OutputGeometry, OutputId, OutputWorkspaceMap, WorkspaceSwitch};
 pub use workspace::{
     LayoutMode, WindowPlacement, Workspace, WorkspaceError, WorkspaceId, WorkspaceLayout,
-    WorkspaceSet,
+    WorkspaceSet, workspace_order_key,
 };