fix(search): keep the empty note clear of the scope row

The empty view replaces the rows, so the list's top padding the scope row
is laid over never reached it and the row sat on top of "No results". It
now keeps its own clearance and sits left-aligned on the rows' column.

Claude-Session: https://claude.ai/code/session_01Aeskbok7Ah7dvKWnaaJFEg

src/ui/search/view.rs

@@ -275,12 +275,21 @@ impl ListDelegate for SearchDelegate {
         };
         // The headline in body ink and the way out under it in caption ink:
         // two greys of the same size read as one sentence cut in half.
+        // The empty view is drawn in place of the rows, so the list's top
+        // padding — the room the scope row is laid over — does not reach it.
+        // It keeps clear of that row itself, and sits on the rows' own column,
+        // left-aligned, the way v5 draws its empty note.
+        let scopes = match self.scope {
+            Scope::Tab(_) => TABS_H,
+            Scope::Themes | Scope::SessionActions => 0.,
+        };
         let theme = cx.theme();
         v_flex()
-            .py(px(32.))
+            .pt(px(scopes + 20.))
+            .pb(px(24.))
             .px(px(LABEL_INSET))
             .gap(px(4.))
-            .items_center()
+            .items_start()
             .text_size(rems(ROW_TEXT))
             .text_color(theme.foreground)
             .child(headline)