add icon for search view

src/vs/workbench/contrib/search/browser/search.contribution.ts

@@ -516,7 +516,7 @@ const viewContainer = Registry.as<IViewContainersRegistry>(ViewExtensions.ViewCo
 	order: 1
 }, ViewContainerLocation.Sidebar);
 
-const viewDescriptor = { id: VIEW_ID, name: nls.localize('search', "Search"), ctorDescriptor: new SyncDescriptor(SearchView), canToggleVisibility: false, canMoveView: true };
+const viewDescriptor = { id: VIEW_ID, containerIcon: 'codicon-search', name: nls.localize('search', "Search"), ctorDescriptor: new SyncDescriptor(SearchView), canToggleVisibility: false, canMoveView: true };
 
 // Register search default location to sidebar
 Registry.as<IViewsRegistry>(ViewExtensions.ViewsRegistry).registerViews([viewDescriptor], viewContainer);