fix: allow adding untitled editors to chat editing working set (microsoft#232170)

Author: joyceerhl

src/vs/workbench/contrib/chat/browser/actions/chatContextActions.ts

@@ -31,6 +31,7 @@ import { IEditorService } from '../../../../services/editor/common/editorService
 import { IExtensionService, isProposedApiEnabled } from '../../../../services/extensions/common/extensions.js';
 import { IHostService } from '../../../../services/host/browser/host.js';
 import { VIEW_ID as SEARCH_VIEW_ID } from '../../../../services/search/common/search.js';
+import { UntitledTextEditorInput } from '../../../../services/untitled/common/untitledTextEditorInput.js';
 import { IViewsService } from '../../../../services/views/common/viewsService.js';
 import { FileEditorInput } from '../../../files/browser/editors/fileEditorInput.js';
 import { AnythingQuickAccessProvider } from '../../../search/browser/anythingQuickAccess.js';
@@ -322,7 +323,7 @@ export class AttachContextAction extends Action2 {
 					isDynamic: true
 				});
 			} else if (isIOpenEditorsQuickPickItem(pick)) {
-				for (const editor of editorService.editors.filter(e => e instanceof FileEditorInput || e instanceof DiffEditorInput)) {
+				for (const editor of editorService.editors.filter(e => e instanceof FileEditorInput || e instanceof DiffEditorInput || e instanceof UntitledTextEditorInput)) {
 					const uri = editor instanceof DiffEditorInput ? editor.modified.resource : editor.resource;
 					if (uri) {
 						if (chatEditingService) {
@@ -545,7 +546,7 @@ export class AttachContextAction extends Action2 {
 				});
 			}
 		} else if (context.showFilesOnly) {
-			if (editorService.editors.filter(e => e instanceof FileEditorInput || e instanceof DiffEditorInput).length > 0) {
+			if (editorService.editors.filter(e => e instanceof FileEditorInput || e instanceof DiffEditorInput || e instanceof UntitledTextEditorInput).length > 0) {
 				quickPickItems.push({
 					kind: 'open-editors',
 					id: 'open-editors',
@@ -606,7 +607,7 @@ export class AttachContextAction extends Action2 {
 				}
 
 				if (isIOpenEditorsQuickPickItem(item)) {
-					for (const editor of editorService.editors.filter(e => e instanceof FileEditorInput || e instanceof DiffEditorInput)) {
+					for (const editor of editorService.editors.filter(e => e instanceof FileEditorInput || e instanceof DiffEditorInput || e instanceof UntitledTextEditorInput)) {
 						// There is an open editor that hasn't yet been attached to the chat
 						if (editor.resource && !attachedContext.has(this._getFileContextId({ resource: editor.resource }))) {
 							return true;