fix(smus): Stop buttom not showing on newly created spaces (aws#2199)

## Problem

Newly created running Spaces do not have any controls (Stop/Connect)
BugBash: https://quip-amazon.com/c9u0AeXRbgx9/Local-IDE-Bug-Bash
## Solution

show the stop button when the remote connect status is undefined 

## Appearance
note: test3 is a newly created space with remote connect status ==
undefined

<img width="1085" height="418" alt="Screenshot 2025-08-14 at 11 23
19 AM"
src="https://github.com/user-attachments/assets/9b0d150b-2475-4b0e-b214-a37373e0edad"
/>

---

- Treat all work as PUBLIC. Private `feature/x` branches will not be
squash-merged at release time.
- Your code changes must meet the guidelines in
[CONTRIBUTING.md](https://github.com/aws/aws-toolkit-vscode/blob/master/CONTRIBUTING.md#guidelines).
- License: I confirm that my contribution is made under the terms of the
Apache 2.0 license.

Author: PotatoWKY

packages/core/src/awsService/sagemaker/sagemakerSpace.ts

@@ -151,6 +151,8 @@ export class SagemakerSpace {
             return 'awsSagemakerSpaceRunningRemoteEnabledNode'
         } else if (status === 'Running' && this.spaceApp.SpaceSettingsSummary?.RemoteAccess === 'DISABLED') {
             return 'awsSagemakerSpaceRunningRemoteDisabledNode'
+        } else if (status === 'Running' && this.isSMUSSpace) {
+            return 'awsSagemakerSpaceRunningNode'
         } else if (status === 'Stopped' && this.spaceApp.SpaceSettingsSummary?.RemoteAccess === 'ENABLED') {
             return 'awsSagemakerSpaceStoppedRemoteEnabledNode'
         } else if (

packages/core/src/test/sagemakerunifiedstudio/explorer/nodes/sageMakerUnifiedStudioSpaceNode.test.ts

@@ -246,4 +246,35 @@ describe('SagemakerUnifiedStudioSpaceNode', function () {
             assert.strictEqual(spaceNode.DomainSpaceKey, 'domain-123:test-space')
         })
     })
+
+    describe('SagemakerSpace getContext for SMUS', function () {
+        it('returns awsSagemakerSpaceRunningNode for running SMUS space with undefined RemoteAccess', function () {
+            // Create a space app without RemoteAccess setting (undefined)
+            const smusSpaceApp = {
+                SpaceName: 'test-space',
+                DomainId: 'domain-123',
+                Status: 'InService',
+                DomainSpaceKey: 'domain-123:test-space',
+                App: {
+                    AppName: 'test-app',
+                    Status: 'InService',
+                },
+                SpaceSettingsSummary: {
+                    // RemoteAccess is undefined
+                },
+            } as any
+
+            // Create a real SagemakerSpace instance for SMUS to test the actual getContext logic
+            const realSagemakerSpace = new SagemakerSpace(
+                mockSagemakerClient,
+                'us-west-2',
+                smusSpaceApp,
+                true // isSMUSSpace = true
+            )
+
+            const context = realSagemakerSpace.getContext()
+
+            assert.strictEqual(context, 'awsSagemakerSpaceRunningNode')
+        })
+    })
 })

packages/toolkit/package.json

@@ -1509,7 +1509,7 @@
                 {
                     "command": "aws.smus.stopSpace",
                     "group": "inline@0",
-                    "when": "view == aws.smus.rootView && viewItem =~ /^(awsSagemakerSpaceRunningRemoteEnabledNode|awsSagemakerSpaceRunningRemoteDisabledNode)$/"
+                    "when": "view == aws.smus.rootView && viewItem =~ /^(awsSagemakerSpaceRunningRemoteEnabledNode|awsSagemakerSpaceRunningRemoteDisabledNode|awsSagemakerSpaceRunningNode)$/"
                 },
                 {
                     "command": "aws.sagemaker.openRemoteConnection",