Update querySelector to use data selector

Author: Rohan2460

frontend/src/components/floating-menus/NodeCatalog.svelte

@@ -125,7 +125,7 @@
 return;
 }
 
-setTimeout(() => document.querySelector(".node-catalog button.emphasized")?.scrollIntoView({ block: "nearest" }), 0);
+setTimeout(() => document.querySelector("[data-emphasized]")?.scrollIntoView({ block: "nearest" }), 0);
 }
 
 onMount(() => {
@@ -215,6 +215,11 @@
 width: 100%;
 margin: 4px 0;
 }
+
+.emphasized {
+--button-background-color: var(--color-6-lowergray);
+--button-text-color: var(--color-f-white);
+}
 }
 }
 }