Fix space view cloning to also copy entity properties (visible time range, etc.)

crates/re_viewer/src/ui/selection_panel.rs

@@ -806,12 +806,8 @@ fn blueprint_ui(
                     .on_hover_text("Create an exact duplicate of this Space View including all Blueprint settings")
                     .clicked()
                 {
-                    if let Some(space_view) = viewport.blueprint.space_view(space_view_id) {
-                        let new_space_view = space_view.duplicate();
-                        let new_ids = viewport.blueprint.add_space_views(std::iter::once(new_space_view), ctx, None);
-                        if let Some(new_id) = new_ids.first() {
-                            ctx.selection_state().set_selection(Item::SpaceView(*new_id));
-                        }
+                    if let Some(new_space_view_id) = viewport.blueprint.duplicate_space_view(space_view_id, ctx) {
+                        ctx.selection_state().set_selection(Item::SpaceView(new_space_view_id));
                         viewport.blueprint.mark_user_interaction(ctx);
                     }
                 }

crates/re_viewport/src/viewport_blueprint.rs

@@ -226,6 +226,30 @@ impl ViewportBlueprint {
         ctx.save_blueprint_component(&VIEWPORT_PATH.into(), component);
     }
 
+    /// Duplicates a space view and its entity property overrides
+    pub fn duplicate_space_view(
+        &self,
+        space_view_id: &SpaceViewId,
+        ctx: &ViewerContext<'_>,
+    ) -> Option<SpaceViewId> {
+        let Some(space_view) = self.space_view(space_view_id) else {
+            return None;
+        };
+
+        let new_space_view = space_view.duplicate();
+        let new_space_view_id = new_space_view.id;
+
+        // copy entity properties from the old space view
+        let data_result = space_view.root_data_result(ctx.store_context, ctx.blueprint_query);
+        let new_data_result =
+            new_space_view.root_data_result(ctx.store_context, ctx.blueprint_query);
+        new_data_result.save_override(data_result.individual_properties().cloned(), ctx);
+
+        self.add_space_views(std::iter::once(new_space_view), ctx, None);
+
+        Some(new_space_view_id)
+    }
+
     /// If `false`, the item is referring to data that is not present in this blueprint.
     pub fn is_item_valid(&self, item: &Item) -> bool {
         match item {