settings error

libs/remix-ui/settings/src/lib/github-settings.tsx

@@ -9,9 +9,9 @@ export function GithubSettings (props: GithubSettingsProps) {
 
   useEffect(() => {
     if (props.config) {
-      const githubToken = props.config.get('settings/gist-access-token')
-      const githubUserName = props.config.get('settings/github-user-name')
-      const githubEmail = props.config.get('settings/github-email')
+      const githubToken = props.config.get('settings/gist-access-token') || ''
+      const githubUserName = props.config.get('settings/github-user-name')|| ''
+      const githubEmail = props.config.get('settings/github-email') || ''
   
       setGithubToken(githubToken)
       setGithubUsername(githubUserName)