delete the downloaded cached vsix before throwing error (microsoft#199673)

Author: sandy081

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

@@ -68,6 +68,12 @@ export class ExtensionsDownloader extends Disposable {
 					this.logService.trace(`Extension signature verification details for ${extension.identifier.id} ${extension.version}:\n${sigError.output}`);
 				}
 				if (verificationStatus === ExtensionSignaturetErrorCode.PackageIsInvalidZip || verificationStatus === ExtensionSignaturetErrorCode.SignatureArchiveIsInvalidZip) {
+					try {
+						// Delete the downloaded vsix before throwing the error
+						await this.delete(location);
+					} catch (error) {
+						this.logService.error(error);
+					}
 					throw new ExtensionManagementError(CorruptZipMessage, ExtensionManagementErrorCode.CorruptZip);
 				}
 			} finally {