fix(feat): add tooltip and set default mode to on (aws#6983)

## Problem
The pair-program was off by default and there was no tooltip. 

## Solution

![image](https://github.com/user-attachments/assets/47455803-056f-4f69-9eb1-7bc4eeac05e5)





---

- 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: Randall-Jiang

package-lock.json

@@ -54,7 +54,7 @@
         "@vscode/test-electron": "^2.3.8",
         "@vscode/test-web": "^0.0.65",
         "@vscode/vsce": "^2.19.0",
-        "eslint": "^8.56.0",
+        "eslint": "^8.57.0",
         "eslint-config-prettier": "^9.1.0",
         "eslint-plugin-aws-toolkits": "file:plugins/eslint-plugin-aws-toolkits",
         "eslint-plugin-header": "^3.1.1",

package.json

@@ -78,7 +78,8 @@ export class TabDataGenerator {
                           {
                               type: 'toggle',
                               id: 'prompt-type',
-                              value: 'ask',
+                              value: 'pair-programming-on',
+                              tooltip: 'Pair programmar on',
                               options: [
                                   {
                                       value: 'pair-programming-on',