recovery fix for #232516 (#233293)

Author: sandy081

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

@@ -42,6 +42,7 @@ import { ISecretStorageService } from '../../../../platform/secrets/common/secre
 import { IFileService } from '../../../../platform/files/common/files.js';
 import { escapeRegExpCharacters } from '../../../../base/common/strings.js';
 import { IUserDataSyncMachinesService } from '../../../../platform/userDataSync/common/userDataSyncMachines.js';
+import { equals } from '../../../../base/common/arrays.js';
 
 type AccountQuickPickItem = { label: string; authenticationProvider: IAuthenticationProvider; account?: UserDataSyncAccount; description?: string };
 
@@ -142,8 +143,12 @@ export class UserDataSyncWorkbenchService extends Disposable implements IUserDat
 		}
 	}
 
-	private updateAuthenticationProviders(): void {
+	private updateAuthenticationProviders(): boolean {
+		this.logService.info('Settings Sync: Updating authentication providers. Authentication Providers from store:', this.userDataSyncStoreManagementService.userDataSyncStore?.authenticationProviders || [].map(({ id }) => id));
+		const oldValue = this._authenticationProviders;
 		this._authenticationProviders = (this.userDataSyncStoreManagementService.userDataSyncStore?.authenticationProviders || []).filter(({ id }) => this.authenticationService.declaredProviders.some(provider => provider.id === id));
+		this.logService.info('Settings Sync: Authentication providers updated', this._authenticationProviders.map(({ id }) => id));
+		return equals(oldValue, this._authenticationProviders, (a, b) => a.id === b.id);
 	}
 
 	private isSupportedAuthenticationProviderId(authenticationProviderId: string): boolean {
@@ -183,7 +188,11 @@ export class UserDataSyncWorkbenchService extends Disposable implements IUserDat
 
 		await this.update();
 
-		this._register(this.authenticationService.onDidChangeDeclaredProviders(() => this.updateAuthenticationProviders()));
+		this._register(this.authenticationService.onDidChangeDeclaredProviders(() => {
+			if (this.updateAuthenticationProviders()) {
+				this.update('declared authentication providers changed');
+			}
+		}));
 
 		this._register(Event.filter(
 			Event.any(