feat: Improve Virtuoso list rendering for proxy groups

src/components/proxy/proxy-groups.tsx

@@ -204,10 +204,15 @@ export const ProxyGroups = (props: Props) => {
         ref={virtuosoRef}
         style={{ height: "calc(100% - 16px)" }}
         totalCount={renderList.length}
-        increaseViewportBy={256}
+        increaseViewportBy={{ top: 256, bottom: 256 }}
+        overscan={150}
+        defaultItemHeight={56}
         scrollerRef={(ref) => {
           scrollerRef.current = ref;
         }}
+        components={{
+          Footer: () => <div style={{ height: "16px" }} />,
+        }}
         itemContent={(index) => (
           <ProxyRender
             key={renderList[index].key}