fix unnecessary re-rendering of ThemeToggle

components/VNC/VNC.tsx

@@ -4,6 +4,9 @@ import RFB from "@novnc/novnc/core/rfb.js";
 import Terminal from "../Terminal";
 import { styled } from "../../lib/styles/stitches.config";
 
+// types for @novnc/novnc are defined manually in ../../types/rfb.d.ts:
+import type NoVncClient from "@novnc/novnc/core/rfb.js";
+
 const Display = styled(
   "div",
   {
@@ -54,7 +57,7 @@ const VNC = ({ server }: VNCProps) => {
   const [message, setMessage] = useState({ message: "", anyKey: false });
 
   // the actual connection and virtual screen (injected by noVNC when it's ready)
-  const rfbRef = useRef<RFB>();
+  const rfbRef = useRef<NoVncClient>();
   const screenRef = useRef<HTMLDivElement>(null);
 
   // ends the session forcefully