Fix microsoft#148975 (microsoft#158969)

Author: sandy081

src/vs/platform/extensionManagement/common/extensionsScannerService.ts

@@ -120,7 +120,7 @@ export interface IExtensionsScannerService {
 
 	getTargetPlatform(): Promise<TargetPlatform>;
 
-	scanAllExtensions(systemScanOptions: ScanOptions, userScanOptions: ScanOptions): Promise<IScannedExtension[]>;
+	scanAllExtensions(systemScanOptions: ScanOptions, userScanOptions: ScanOptions, includeExtensionsUnderDev: boolean): Promise<IScannedExtension[]>;
 	scanSystemExtensions(scanOptions: ScanOptions): Promise<IScannedExtension[]>;
 	scanUserExtensions(scanOptions: ScanOptions): Promise<IScannedExtension[]>;
 	scanExtensionsUnderDevelopment(scanOptions: ScanOptions, existingExtensions: IScannedExtension[]): Promise<IScannedExtension[]>;
@@ -172,12 +172,12 @@ export abstract class AbstractExtensionsScannerService extends Disposable implem
 		return this._targetPlatformPromise;
 	}
 
-	async scanAllExtensions(systemScanOptions: ScanOptions, userScanOptions: ScanOptions): Promise<IScannedExtension[]> {
+	async scanAllExtensions(systemScanOptions: ScanOptions, userScanOptions: ScanOptions, includeExtensionsUnderDev: boolean): Promise<IScannedExtension[]> {
 		const [system, user] = await Promise.all([
 			this.scanSystemExtensions(systemScanOptions),
 			this.scanUserExtensions(userScanOptions),
 		]);
-		const development = await this.scanExtensionsUnderDevelopment(systemScanOptions, [...system, ...user]);
+		const development = includeExtensionsUnderDev ? await this.scanExtensionsUnderDevelopment(systemScanOptions, [...system, ...user]) : [];
 		return this.dedupExtensions(system, user, development, await this.getTargetPlatform(), true);
 	}
 

src/vs/platform/extensionManagement/node/extensionManagementService.ts

@@ -275,7 +275,7 @@ class ExtensionsScanner extends Disposable {
 		const userScanOptions: ScanOptions = { includeInvalid: true, profileLocation };
 		let scannedExtensions: IScannedExtension[] = [];
 		if (type === null || type === ExtensionType.System) {
-			scannedExtensions.push(...await this.extensionsScannerService.scanAllExtensions({ includeInvalid: true }, userScanOptions));
+			scannedExtensions.push(...await this.extensionsScannerService.scanAllExtensions({ includeInvalid: true }, userScanOptions, false));
 		} else if (type === ExtensionType.User) {
 			scannedExtensions.push(...await this.extensionsScannerService.scanUserExtensions(userScanOptions));
 		}