Follow up 944: authentication sessions are not persistent (#1003)

* #944: Fixed auth. sessions not persistent

* 944: Prevent race conditions setting authOptions

* typo correction, duplicate identifier

* prevent block of auth client service on setOptions

* consider windows cred. mgr. password len limit

arduino-ide-extension/src/browser/auth/authentication-client-service.ts

@@ -43,15 +43,14 @@ export class AuthenticationClientService
 
   readonly onSessionDidChange = this.onSessionDidChangeEmitter.event;
 
-  onStart(): void {
+  async onStart(): Promise<void> {
     this.toDispose.push(this.onSessionDidChangeEmitter);
     this.service.setClient(this);
     this.service
       .session()
       .then((session) => this.notifySessionDidChange(session));
 
-    this.setOptions();
-    this.service.initAuthSession()
+    this.setOptions().then(() => this.service.initAuthSession());
 
     this.arduinoPreferences.onPreferenceChanged((event) => {
       if (event.preferenceName.startsWith('arduino.auth.')) {
@@ -60,8 +59,8 @@ export class AuthenticationClientService
     });
   }
 
-  setOptions(): void {
-    this.service.setOptions({
+  setOptions(): Promise<void> {
+    return this.service.setOptions({
       redirectUri: `http://localhost:${serverPort}/callback`,
       responseType: 'code',
       clientID: this.arduinoPreferences['arduino.auth.clientID'],