fix: Update Discord login handling to use async/await for better error handling

src/components/Login.svelte

@@ -59,14 +59,16 @@
             const accessToken = params.get("access_token");
 
             if (accessToken) {
-                let auth = $authV2Repo.loginDiscord(accessToken);
-                if (!auth) {
-                    pw = "";
-                    error = t("login.error");
-                    return;
-                }
+                (async () => {
+                    let auth = await $authV2Repo.loginDiscord(accessToken);
+                    if (!auth) {
+                        pw = "";
+                        error = t("login.error");
+                        return;
+                    }
 
-                navigate(l("/dashboard"));
+                    navigate(l("/dashboard"));
+                })();
             }
         }
     });

src/components/repo/authv2.ts

@@ -25,6 +25,8 @@ export class AuthV2Repo {
         this.request("/data/me").then((value) => {
             if (value.ok) {
                 loggedIn.set(true);
+            } else {
+                loggedIn.set(false);
             }
         });
     }