fix: keep metric catalog above table header

src/content/market/plugin-toolbar.ts

@@ -1241,7 +1241,7 @@ function applyMetricCatalogPanelStyles(panel: HTMLElement): void {
   panel.style.position = "absolute";
   panel.style.top = "calc(100% + 6px)";
   panel.style.left = "0";
-  panel.style.zIndex = "4";
+  panel.style.zIndex = "100";
   panel.style.width = "260px";
   panel.style.padding = "10px";
   panel.style.border = "1px solid #cbd5e1";

tests/market-content-entry.test.ts

@@ -1550,6 +1550,7 @@ describe("market-content-entry", () => {
     ) as HTMLInputElement | null;
 
     expect(catalogPanel?.hidden).toBe(true);
+    expect(catalogPanel?.style.zIndex).toBe("100");
     expect(finishRule?.hidden).toBe(false);
     expect(interactionRule?.hidden).toBe(true);
     expect(interactionRule?.style.display).toBe("none");