don't load fathom script unless on production

components/VNC/VNC.tsx

@@ -12,10 +12,10 @@ const Display = styled(
     maxWidth: "800px",
 
     // these are injected by noVNC after connection, so we can't target them directly:
-    "& div": {
+    div: {
       background: "none !important",
 
-      "& canvas": {
+      canvas: {
         cursor: "inherit !important",
       },
     },