client/web: start using swr for some fetching

Adds swr to the web client, and starts by using it from the
useNodeData hook.

Updates #10261

Signed-off-by: Sonia Appasamy <sonia@tailscale.com>

client/web/src/components/views/login-view.tsx

@@ -146,8 +146,7 @@ type TailscaleUpOptions = {
 }
 
 function tailscaleUp(options: TailscaleUpOptions) {
-  return apiFetch("/up", "POST", options)
-    .then((r) => r.json())
+  return apiFetch<{ url?: string }>("/up", "POST", options)
     .then((d) => {
       d.url && window.open(d.url, "_blank")
     })