Agents app on Linux prevents returning to classic VS Code experience (fix #309549) (#310073)

* Agents app on Linux prevents returning to classic VS Code experience (fix #309549)

* Update src/vs/sessions/contrib/chat/browser/chat.contribution.ts

Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>

---------

Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>

Author: bpasero

src/vs/sessions/contrib/chat/browser/chat.contribution.ts

@@ -19,7 +19,7 @@ import { IViewContainersRegistry, IViewsRegistry, ViewContainerLocation, Extensi
 import { Registry } from '../../../../platform/registry/common/platform.js';
 import { SyncDescriptor } from '../../../../platform/instantiation/common/descriptors.js';
 import { ISessionsManagementService } from '../../../services/sessions/common/sessionsManagement.js';
-import { IsActiveSessionBackgroundProviderContext, IsNewChatInSessionContext, IsNewChatSessionContext, SessionsWelcomeVisibleContext } from '../../../common/contextkeys.js';
+import { IsNewChatInSessionContext, IsNewChatSessionContext, SessionsWelcomeVisibleContext } from '../../../common/contextkeys.js';
 import { Menus } from '../../../browser/menus.js';
 import { BranchChatSessionAction } from './branchChatSessionAction.js';
 import { RunScriptContribution } from './runScriptAction.js';
@@ -58,7 +58,7 @@ export class OpenSessionWorktreeInVSCodeAction extends Action2 {
 			id: OpenSessionWorktreeInVSCodeAction.ID,
 			title: localize2('openInVSCode', 'Open in VS Code'),
 			icon: Codicon.vscodeInsiders,
-			precondition: IsActiveSessionBackgroundProviderContext,
+			precondition: ContextKeyExpr.and(IsAuxiliaryWindowContext.toNegated(), SessionsWelcomeVisibleContext.toNegated()),
 			menu: [{
 				id: Menus.TitleBarSessionMenu,
 				group: 'navigation',
@@ -78,8 +78,20 @@ export class OpenSessionWorktreeInVSCodeAction extends Action2 {
 		const sessionsProvidersService = accessor.get(ISessionsProvidersService);
 		const remoteAgentHostService = accessor.get(IRemoteAgentHostService);
 
+		const scheme = productService.quality === 'stable'
+			? 'vscode'
+			: productService.quality === 'exploration'
+				? 'vscode-exploration'
+				: productService.quality === 'insider'
+					? 'vscode-insiders'
+					: productService.urlProtocol;
+
+		const params = new URLSearchParams();
+		params.set('windowId', '_blank');
+
 		const activeSession = sessionsManagementService.activeSession.get();
 		if (!activeSession) {
+			await openerService.open(URI.from({ scheme, query: params.toString() }), { openExternal: true }); // Open VS Code without a specific path
 			return;
 		}
 
@@ -88,6 +100,7 @@ export class OpenSessionWorktreeInVSCodeAction extends Action2 {
 		const rawFolderUri = activeSession.sessionType === CopilotCLISessionType.id ? repo?.workingDirectory ?? repo?.uri : undefined;
 
 		if (!rawFolderUri) {
+			await openerService.open(URI.from({ scheme, query: params.toString() }), { openExternal: true }); // Open VS Code without a specific path
 			return;
 		}
 
@@ -98,16 +111,6 @@ export class OpenSessionWorktreeInVSCodeAction extends Action2 {
 		const remoteAuthority = resolveRemoteAuthority(
 			activeSession.providerId, sessionsProvidersService, remoteAgentHostService);
 
-		const scheme = productService.quality === 'stable'
-			? 'vscode'
-			: productService.quality === 'exploration'
-				? 'vscode-exploration'
-				: productService.quality === 'insider'
-					? 'vscode-insiders'
-					: productService.urlProtocol;
-
-		const params = new URLSearchParams();
-		params.set('windowId', '_blank');
 		params.set('session', activeSession.resource.toString());
 
 		if (remoteAuthority) {