Use delayed instantiation for edit sessions (microsoft#164466)

* Use delayed instantiation for edit sessions

* Add missing import

Author: joyceerhl

src/vs/workbench/contrib/editSessions/browser/editSessions.contribution.ts

@@ -20,7 +20,7 @@ import { encodeBase64 } from 'vs/base/common/buffer';
 import { IConfigurationService } from 'vs/platform/configuration/common/configuration';
 import { IProgressService, ProgressLocation } from 'vs/platform/progress/common/progress';
 import { EditSessionsWorkbenchService } from 'vs/workbench/contrib/editSessions/browser/editSessionsStorageService';
-import { registerSingleton } from 'vs/platform/instantiation/common/extensions';
+import { InstantiationType, registerSingleton } from 'vs/platform/instantiation/common/extensions';
 import { UserDataSyncErrorCode, UserDataSyncStoreError } from 'vs/platform/userDataSync/common/userDataSync';
 import { ITelemetryService } from 'vs/platform/telemetry/common/telemetry';
 import { INotificationService, Severity } from 'vs/platform/notification/common/notification';
@@ -57,8 +57,8 @@ import { sha1Hex } from 'vs/base/browser/hash';
 import { IStorageService, StorageScope, StorageTarget } from 'vs/platform/storage/common/storage';
 import { IActivityService, NumberBadge } from 'vs/workbench/services/activity/common/activity';
 
-registerSingleton(IEditSessionsLogService, EditSessionsLogService, false);
-registerSingleton(IEditSessionsStorageService, EditSessionsWorkbenchService, false);
+registerSingleton(IEditSessionsLogService, EditSessionsLogService, InstantiationType.Delayed);
+registerSingleton(IEditSessionsStorageService, EditSessionsWorkbenchService, InstantiationType.Delayed);
 
 const continueWorkingOnCommand: IAction2Options = {
 	id: '_workbench.editSessions.actions.continueEditSession',