explorer: pass the folder flag when deleting directories

src/vs/workbench/contrib/bulkEdit/browser/bulkFileEdits.ts

@@ -164,7 +164,7 @@ class DeleteOperation implements IFileOperation {
 		}
 
 		let contents: VSBuffer | undefined;
-		if (!this._undoesCreateOperation) {
+		if (!this._undoesCreateOperation && !this.options.folder) {
 			try {
 				contents = (await this._fileService.readFile(this.oldUri)).value;
 			} catch (err) {

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

@@ -226,7 +226,7 @@ async function deleteFiles(explorerService: IExplorerService, bulkEditService: I
 
 	// Call function
 	try {
-		const resourceFileEdits = distinctElements.map(e => new ResourceFileEdit(e.resource, undefined, { recursive: true }));
+		const resourceFileEdits = distinctElements.map(e => new ResourceFileEdit(e.resource, undefined, { recursive: true, folder: e.isDirectory }));
 		// TODO@Isidor respect the useTrash parameter
 		await bulkEditService.apply(resourceFileEdits, {
 			undoRedoSource: explorerService.undoRedoSource,