Can't create terminal in Agents Window while automations view is open

1. New Agents Window
2. Open the Automations page
3. command "Terminal: Create New Terminal"
4. No terminal is created

Each time I try this, I see this in the dev tools:
```
12:17:09.240 dom.ts:236 [Violation] Added non-passive event listener to a scroll-blocking 'touchstart' event. Consider marking event handler as 'passive' to make the page more responsive. See https://www.chromestatus.com/feature/5745543795965952
constructor @ dom.ts:236
addDisposableListener @ dom.ts:257
_open @ terminalInstance.ts:1219
setVisible @ terminalInstance.ts:1446
(anonymous) @ terminalGroup.ts:523
setVisible @ terminalGroup.ts:523
(anonymous) @ terminalGroupService.ts:514
updateVisibility @ terminalGroupService.ts:514
(anonymous) @ terminalGroupService.ts:83
(anonymous) @ event.ts:194
_deliver @ event.ts:1391
_deliverQueue @ event.ts:1402
fire @ event.ts:1426
setActiveInstanceByIndex @ terminalGroupService.ts:312
setActiveInstance @ terminalGroupService.ts:117
setActiveInstance @ terminalService.ts:391
(anonymous) @ terminalActions.ts:1255
await in (anonymous)
run @ terminalActions.ts:162
(anonymous) @ actions.ts:740
invokeFunction @ instantiationService.ts:109
_tryExecuteCommand @ commandService.ts:99
executeCommand @ commandService.ts:63
(anonymous) @ commandsQuickAccess.ts:318
(anonymous) @ pickerQuickAccess.ts:359
_deliver @ event.ts:1391
_deliverQueue @ event.ts:1402
fire @ event.ts:1426
handleAccept @ quickInput.ts:971
accept @ quickInput.ts:1178
(anonymous) @ quickInputTreeRenderer.ts:81
invokeFunction @ instantiationService.ts:109
_tryExecuteCommand @ commandService.ts:99
executeCommand @ commandService.ts:63
_doDispatch @ abstractKeybindingService.ts:394
_dispatch @ abstractKeybindingService.ts:246
(anonymous) @ keybindingService.ts:286
```

Found while testing https://github.com/microsoft/vscode/issues/333367