Simplify invite timeout handling

src/app/components/SpaceInvite.svelte

@@ -40,17 +40,12 @@
   onMount(async () => {
     try {
       const [[event]] = await Promise.all([
-        Promise.race([
+        request({
-          request({
+          relays: [url],
-            relays: [url],
+          autoClose: true,
-            autoClose: true,
+          signal: AbortSignal.timeout(10000),
-            signal: AbortSignal.timeout(10000),
+          filters: [{kinds: [RELAY_INVITE]}],
-            filters: [{kinds: [RELAY_INVITE]}],
+        }),
-          }),
-          sleep(10000).then(() => {
-            throw new Error("Invite claim timed out")
-          }),
-        ]),
         sleep(2000),
       ])