Prevent multiple fetch of settings stage (#9878)

* Prevent multiple fetch of settings stage

- Cached in the useSettingsState hook already

* Error handling

src/frontend/lib/types/Settings.tsx

@@ -50,6 +50,7 @@ export interface SettingsStateProps {
   lookup: SettingsLookup;
   fetchSettings: () => Promise<boolean>;
   loaded: boolean;
+  isError: boolean;
   endpoint: ApiEndpoints;
   pathParams?: PathParams;
   getSetting: (key: string, default_value?: string) => string; // Return a raw setting value