fixes #69368

src/vs/workbench/contrib/files/browser/fileActions.ts

@@ -42,7 +42,7 @@ import { Constants } from 'vs/editor/common/core/uint';
 import { CLOSE_EDITORS_AND_GROUP_COMMAND_ID } from 'vs/workbench/browser/parts/editor/editorCommands';
 import { coalesce } from 'vs/base/common/arrays';
 import { AsyncDataTree } from 'vs/base/browser/ui/tree/asyncDataTree';
-import { ExplorerItem } from 'vs/workbench/contrib/files/common/explorerModel';
+import { ExplorerItem, NewExplorerItem } from 'vs/workbench/contrib/files/common/explorerModel';
 import { onUnexpectedError } from 'vs/base/common/errors';
 import { sequence } from 'vs/base/common/async';
 
@@ -137,7 +137,7 @@ export class NewFileAction extends BaseErrorReportingAction {
 			return Promise.reject(new Error('Parent folder is readonly.'));
 		}
 
-		const stat = new ExplorerItem(PLACEHOLDER_URI, folder, false);
+		const stat = new NewExplorerItem(PLACEHOLDER_URI, folder, false);
 		return folder.fetchChildren(this.fileService, this.explorerService).then(() => {
 			folder.addChild(stat);
 
@@ -205,7 +205,7 @@ export class NewFolderAction extends BaseErrorReportingAction {
 			return Promise.reject(new Error('Parent folder is readonly.'));
 		}
 
-		const stat = new ExplorerItem(PLACEHOLDER_URI, folder, true);
+		const stat = new NewExplorerItem(PLACEHOLDER_URI, folder, true);
 		return folder.fetchChildren(this.fileService, this.explorerService).then(() => {
 			folder.addChild(stat);
 

src/vs/workbench/contrib/files/browser/views/explorerView.ts

@@ -37,7 +37,7 @@ import { ITreeContextMenuEvent } from 'vs/base/browser/ui/tree/tree';
 import { IMenuService, MenuId, IMenu } from 'vs/platform/actions/common/actions';
 import { fillInContextMenuActions } from 'vs/platform/actions/browser/menuItemActionItem';
 import { ITelemetryService } from 'vs/platform/telemetry/common/telemetry';
-import { ExplorerItem } from 'vs/workbench/contrib/files/common/explorerModel';
+import { ExplorerItem, NewExplorerItem } from 'vs/workbench/contrib/files/common/explorerModel';
 import { onUnexpectedError } from 'vs/base/common/errors';
 import { ResourceLabels, IResourceLabelsContainer } from 'vs/workbench/browser/labels';
 import { createFileIconThemableTreeContainerScope } from 'vs/workbench/browser/parts/views/views';
@@ -281,7 +281,13 @@ export class ExplorerView extends ViewletPanel {
 				accessibilityProvider: new ExplorerAccessibilityProvider(),
 				ariaLabel: nls.localize('treeAriaLabel', "Files Explorer"),
 				identityProvider: {
-					getId: (stat: ExplorerItem) => stat.resource
+					getId: (stat: ExplorerItem) => {
+						if (stat instanceof NewExplorerItem) {
+							return `new:${stat.resource}`;
+						}
+
+						return stat.resource;
+					}
 				},
 				keyboardNavigationLabelProvider: {
 					getKeyboardNavigationLabel: (stat: ExplorerItem) => {

src/vs/workbench/contrib/files/common/explorerModel.ts

@@ -367,3 +367,5 @@ export class ExplorerItem {
 		return null;
 	}
 }
+
+export class NewExplorerItem extends ExplorerItem { }
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