Do not crash if jwt token cannot be parsed

src/App.svelte

@@ -28,6 +28,7 @@
     let accessToken = login?.tokens?.access;
     if (accessToken == null) return [];
     let jwt = parseJwt(accessToken);
+    if(!jwt) return [];
     return jwt.per.filter((x: string) => x.startsWith("domain:owns=")).map((x: string) => x.slice("domain:owns=".length));
   }
 </script>

src/stores/login.ts

@@ -32,7 +32,9 @@ export function getBearer() {
 }
 
 export function parseJwt(token: string) {
-  const base64Url = token.split(".")[1];
+  const tokenParts = token.split(".");
+  if(tokenParts.length !== 2) return null;
+  const base64Url = tokenParts[1];
   const base64 = base64Url.replace(/-/g, "+").replace(/_/g, "/");
   const jsonPayload = decodeURIComponent(
     window