Auth: Fix anonymous user table useragent not parsable (#79307)

fix for useragent not parsable

public/app/features/admin/Users/AnonUsersTable.tsx

@@ -10,9 +10,18 @@ type Cell<T extends keyof UserAnonymousDeviceDTO = keyof UserAnonymousDeviceDTO>
 
 // A helper function to parse the user agent string and extract parts
 const parseUserAgent = (userAgent: string) => {
+  // If the user agent string doesn't contain a space, it's probably just the browser name
+  // or some other entity that are accessing grafana
+  if (!userAgent.includes(' ')) {
+    return {
+      browser: userAgent,
+      computer: '',
+    };
+  }
+  const parts = userAgent.split(' ');
   return {
-    browser: userAgent.split(' ')[0],
-    computer: userAgent.split(' ')[1],
+    browser: parts[0],
+    computer: parts[1],
   };
 };