move to using an id token for settings sync

src/vs/editor/common/modes.ts

@@ -1544,6 +1544,7 @@ export interface AuthenticationSession {
 		id: string;
 	}
 	scopes: ReadonlyArray<string>;
+	idToken?: string;
 }
 
 /**

src/vs/workbench/services/userDataSync/browser/userDataSyncWorkbenchService.ts

@@ -58,7 +58,7 @@ class UserDataSyncAccount implements IUserDataSyncAccount {
 	get sessionId(): string { return this.session.id; }
 	get accountName(): string { return this.session.account.label; }
 	get accountId(): string { return this.session.account.id; }
-	get token(): string { return this.session.accessToken; }
+	get token(): string { return this.session.idToken || this.session.accessToken; }
 }
 
 export class UserDataSyncWorkbenchService extends Disposable implements IUserDataSyncWorkbenchService {