Use release E2E terminal lifecycle

Adapt the backported polyglot dev-localhost CLI E2E test to the release/13.4 test harness, which does not have CliE2ETestHelpers.StartRun.

Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>

Author: danegsta

tests/Aspire.Cli.EndToEnd.Tests/SmokeTests.cs

@@ -82,9 +82,10 @@ public async Task CreateAndRunPolyglotAppHostWithDevLocalhostUrls()
 
         using var terminal = CliE2ETestHelpers.CreateDockerTestTerminal(repoRoot, strategy, output, mountDockerSocket: true, workspace: workspace);
 
+        var pendingRun = terminal.RunAsync(TestContext.Current.CancellationToken);
+
         var counter = new SequenceCounter();
         var auto = new Hex1bTerminalAutomator(terminal, defaultTimeout: TimeSpan.FromSeconds(500));
-        await using var terminalRun = CliE2ETestHelpers.StartRun(terminal, workspace, auto, counter, output, TestContext.Current.CancellationToken);
 
         await auto.PrepareDockerEnvironmentAsync(counter, workspace);
         await auto.InstallAspireCliAsync(strategy, counter);
@@ -111,6 +112,11 @@ await auto.WaitUntilAsync(s =>
 
         await auto.Ctrl().KeyAsync(Hex1bKey.C);
         await auto.WaitForSuccessPromptAsync(counter);
+
+        await auto.TypeAsync("exit");
+        await auto.EnterAsync();
+
+        await pendingRun;
     }
 
     [CaptureWorkspaceOnFailure]